Vol. 1 No. 1 (2026): PUIRS Launch Issue

Articles

• Methodological Evaluation of Industrial Machinery Fleets in Tanzania Using Difference-in-Differences Models

  PUIRS Editorial Import (Author)

  This study builds upon existing research on industrial machinery fleet management in Tanzania by applying rigorous econometric techniques to evaluate the effectiveness of fleet maintenance strategies. A DiD model was employed to analyse...

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• Evaluating Process-Control Systems in Tanzanian Maintenance Environments: A Quasi-Experimental Study on Efficiency Gains

  PUIRS Editorial Import (Author)

  This study evaluates the effectiveness of process-control systems in Tanzanian maintenance environments. A quasi-experimental design was employed, including pre- and post-assessments with control and experimental groups. Process-control...

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• Security Crowds Out the Market: IGAD, Regional Economic Integration, and Conflict Management in the Greater Horn

  Abraham Kuol Nyuon (Author)

  Regional organisations in Africa are often tasked with both conflict management and economic integration, yet these objectives can pull in different directions. In the Horn of Africa, IGAD operates within a context where persistent...

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• Code, Capacity, and Control: AI, Algorithmic Governance, and Political Accountability in African States

  Associate Professor of Politics, Political Accountability in African States, Abraham Kuol Nyuon (Author)

  Code, Capacity, and Control: AI, Algorithmic Governance, and Political Accountability in African States examines the dual use of digital systems as instruments of developmental administration and as infrastructures for surveillance,...

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• Climate Insecurity as Political Production: Environmental Stress, Governance Failure, and Pastoralist-Farmer Violence in the Horn of Africa

  Abraham Kuol Nyuon (Author)

  This article develops politically produced climate insecurity as an analytical lens for understanding how environmental stress becomes violent through governance failure, territorial politics, and livelihood disruption. Rather than...

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• Finite Element Analysis of Above-Ground Storage Tank Foundations on Soft Swamp Soils in Jonglei State South Sudan

  South Sudan (Author)

  —Above-ground crude oil storage tanks (ASTs) in Jonglei State, South Sudan, are founded on soft Sudd wetland clays exhibiting undrained shear strengths as low as 4–8 kPa and consolidation settlements exceeding 300 mm under standard...

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• A Theoretical Framework for Supply Chain Diagnostics and Governance in South African Food Loss and Waste Reduction

  Lerato Nkosi (Author)

  { "background": "Food loss and waste (FLW) in South Africa represents a critical inefficiency within agricultural supply chains, undermining food security, economic resilience, and environmental sustainability. Existing reduction...

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• Methodological Evaluation of Transport Maintenance Depot Systems in South Africa Using Quasi-Experimental Design for Risk Reduction Analysis

  PUIRS Editorial Import (Author)

  This study addresses a current research gap in Engineering concerning Methodological evaluation of transport maintenance depots systems in South Africa: quasi-experimental design for measuring risk reduction in South Africa. The...

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• Methodological Evaluation of Water Treatment Facilities Systems in Nigeria Using Time-Series Forecasting Models

  PUIRS Editorial Import (Author)

  This study addresses a current research gap in Engineering concerning Methodological evaluation of water treatment facilities systems in Nigeria: time-series forecasting model for measuring cost-effectiveness in Nigeria. The objective is...

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• Methodological Evaluation of Process-Control Systems in Senegal: Time-Series Forecasting for Efficiency Measurement

  PUIRS Editorial Import (Author)

  This Data Descriptor evaluates process-control systems in Senegal to forecast efficiency gains through time-series forecasting models. A time-series forecasting model is employed, incorporating ARIMA (AutoRegressive Integrated Moving...

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• Feeding Dependency or Restoring Production? Food Sovereignty and the Political Economy of Rural Recovery in South Sudan

  Abraham Kuol Nyuon (Author)

  Agricultural collapse in conflict-affected states is often attributed to environmental stress or technical failure, yet in South Sudan it reflects deeper political and institutional processes. Successive cycles of conflict, displacement,...

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• Longitudinal Assessment of *Aphidius colemani* Parasitoid Efficacy for Aphid Management in Smallholder Cabbage Systems of the Amathole District

  Pieter van der Merwe, Thandiwe Nkosi, Lungile Mthembu (Author)

  { "background": "Smallholder cabbage production in South Africa is severely constrained by aphid infestations, leading to significant yield losses and over-reliance on synthetic pesticides. The potential of the parasitoid wasp Aphidius...

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• Methodological Evaluation of Municipal Infrastructure Assets Systems in Senegal Using Difference-in-Differences Approach for Cost-Efficiency Assessment

  PUIRS Editorial Import (Author)

  In Senegal, municipal infrastructure assets systems are crucial for urban development but often face challenges in terms of maintenance and cost-effectiveness. A difference-in-differences approach was employed, comparing pre and...

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• Evaluating Power-Distribution Equipment Adoption in Uganda through Randomized Field Trials: A Methodological Assessment

  PUIRS Editorial Import (Author)

  Power distribution equipment (PDE) is critical for ensuring reliable electrical supply in Uganda. However, adoption rates of these systems vary significantly across different regions. A randomized control trial (RCT) was conducted in two...

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• Methodological Assessment of Power-Distribution Equipment Systems in Rwanda: A Randomized Field Trial for Risk Reduction Evaluation

  PUIRS Editorial Import (Author)

  Power distribution equipment systems are critical in ensuring reliable electricity supply in Rwanda's infrastructure. However, their performance varies significantly across different regions due to varying operational conditions and...

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• Deterministic Parameter Variation Versus Random-Field Reliability Assessment in Soil-Nailed Slope Stability

  Aduot Madit Anhiem (Author)

  Geotechnical reliability analysis of slopes traditionally relies on deterministic parameter variation using the First Order Reliability Method (FORM), which treats soil cohesion and friction angle as fixed, bounded scalars. This paper...

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• Panel Data Estimation for Risk Reduction in South African Manufacturing Systems: A Methodological Evaluation

  PUIRS Editorial Import (Author)

  This Data Descriptor focuses on evaluating methods for risk reduction in manufacturing systems within South African industries from to . A panel data model will be employed, incorporating fixed effects to account for plant-specific...

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• Blockchain-Enabled Traceability and Hedonic Price Determinants for Organic Pineapple Exports from Ghana’s Akwapim South District

  Kwame Ofori-Atta (Author)

  { "background": "Global demand for organic produce is rising, yet smallholder exporters in developing nations often struggle to capture commensurate price premiums. A key barrier is the inability to verifiably demonstrate product...

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• Adjustment and Aftermath: Structural Conditionality, Social Contract Erosion, and the Political Economy of African Conflict

  Abraham Kuol Nyuon (Author)

  Structural adjustment programmes are often evaluated in terms of macroeconomic stabilisation and fiscal reform, yet their long-term political effects have been equally consequential. Across many African states, adjustment policies...

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• GGoverning Through Aid: The Humanitarian-Development-Peace Nexus and the Reproduction of Dependency in South Sudanoverning Through Aid: The Humanitarian-Development-Peace Nexus and the Reproduction of Dependency in South Sudan

  Abraham Kuol Nyuon (Author)

  This article develops aid-mediated dependency as an analytical lens for understanding aid architecture, political settlements, and parallel governance in protracted crisis. Rather than treating the humanitarian-development-peace nexus in...

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• Urban Road Drainage Failure Analysis and Rehabilitation Planning in Juba City, South Sudan

  ORIGINAL RESEARCH ARTICLE (Author)

  Urban road drainage systems in conflict-affected cities represent one of the most critically underexamined components of post-war infrastructure rehabilitation. This study presents a comprehensive, data-driven failure analysis of urban...

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• A Scoping Review of Methodological Frameworks for Time-Series Forecasting in Municipal Water Risk Reduction: Diagnostics for South African Systems (2021–2026)

  Pieter van der Merwe, Thandiwe Nkosi, Lerato Mokoena (Author)

  { "background": "Municipal water systems are critical for agricultural resilience, yet face escalating pressures from climate variability and demand growth. Effective risk reduction hinges on robust forecasting methodologies, but a...

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• Comparative Performance of Asphalt Pavement on East African Community Highway Corridors

  Aduot Madit Anhiem (Author)

  The East African Community (EAC) highway network constitutes the arterial spine of regional economic integration, connecting landlocked member states to port gateways and enabling intra-regional trade, humanitarian logistics, and...

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• Time-Series Forecasting Model for Evaluating Cost-Effectiveness of Industrial Machinery Fleets in Uganda

  PUIRS Editorial Import (Author)

  Industrial machinery fleets play a crucial role in Uganda's economy, particularly in sectors such as agriculture, construction, and manufacturing. However, their maintenance costs can be substantial and unpredictable. The analysis...

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• Methodological Assessment of Transport Maintenance Depot Systems in Tanzania: A Quasi-Experimental Study on System Reliability

  PUIRS Editorial Import (Author)

  The study examines transport maintenance depots in Tanzania to evaluate their reliability under a quasi-experimental design. A quasi-experimental design was employed, including surveys, observational studies, and performance metrics...

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• Methodological Evaluation of Manufacturing Plant Systems in Kenya Using Panel Data for Adoption Rate Measurement

  PUIRS Editorial Import (Author)

  Manufacturing plants in Kenya face challenges related to system adoption rates, necessitating a methodological evaluation. A panel-data estimation approach was employed to analyse the impact of various factors on system adoption among...

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• Land Tenure Security and Smallholder Investment Decisions in Mozambique: An Analysis of the 2021–2026 Policy Framework

  Ana Mungói, Carlos Macuácua (Author)

  { "background": "Land tenure security is a critical determinant of agricultural investment, particularly for smallholders in sub-Saharan Africa. In Mozambique, a complex dual system of statutory and customary rights creates uncertainty,...

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• Determinants of Youth Migration from Agricultural Activities in Benue State, Nigeria

  Akaang ee, M. Author, Ogah Author, O.M. Author (Author)

  The study investigated the determinants of the migration of youth in Benue State from agricultural activities using a multi-stage survey research design. The population of the study comprised 90 households across the three zones in Benue...

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• paper 69bc0cf0cf1bb4.57032994 Paper1 Final AMJ 202511

  Makoi Majok Toch, Gabriel Alier Riak (Author)

  This study investigates the influence of informal lending mechanisms — specifically Community Group Saving and Lending (CGSL) mechanisms — on rural agricultural development in Eastern Equatoria, Jonglei, and Lakes States of South Sudan....

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• Time-Series Forecasting Model for Adoption Rates in Municipal Infrastructure Assets Systems in Tanzania: A Methodological Evaluation

  PUIRS Editorial Import (Author)

  This study focuses on municipal infrastructure assets systems in Tanzania, aiming to evaluate adoption rates of new technologies or practices within these systems. The methodology involves collecting historical data on adoption rates...

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• Micro-Sprinkler Irrigation Efficacy: A Meta-Analysis of Water Productivity and Salinity Mitigation for Date Palm Smallholders in the Draa Valley, Morocco

  Fatima Zahra El Amrani, Karim Benali, Amina Toufik (Author)

  { "background": "In arid regions such as the Draa Valley, date palm cultivation faces severe challenges from water scarcity and soil salinisation. Traditional flood irrigation methods are inefficient and exacerbate salinity, threatening...

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• Methodological Evaluation of Transport Maintenance Depot Systems in Ethiopia Using Difference-in-Differences for System Reliability Analysis

  PUIRS Editorial Import (Author)

  { "background": "This Data Descriptor focuses on evaluating transport maintenance depot systems in Ethiopia, highlighting the need for robust methodologies to assess system reliability.", "purposeandobjectives": "The purpose is to apply...

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• Power-Distribution Equipment Risk Assessment in Ghana: A Panel Data Approach

  PUIRS Editorial Import (Author)

  Power distribution systems in Ghana face significant challenges related to maintenance and reliability, leading to frequent outages and service disruptions. A mixed-methods study employing econometric techniques such as fixed effects...

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• Methodological Evaluation of Power-Distribution Equipment Systems in Senegal: Randomized Field Trial for Cost-Effectiveness Assessment

  PUIRS Editorial Import (Author)

  The power distribution systems in Senegal face challenges such as frequent outages and high maintenance costs. A randomized field trial was conducted to compare two types of power distribution equipment systems. Data collection included...

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• Methodological Evaluation of Manufacturing Plant Systems Adoption in Nigeria Using Panel Data Analysis

  PUIRS Editorial Import (Author)

  Manufacturing plants in Nigeria have adopted various systems to enhance productivity and efficiency. However, there is a need for methodological evaluation to understand adoption rates and their impact. The study employs panel data...

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• Socio-ecological Dynamics of Inland Valley Swamp Development and Malaria Transmission in Northern Sierra Leone: A Scoping Review

  Fatmata Bangura, Abu Bakarr Kamara, Mariatu Conteh, Ibrahim Sesay (Author)

  { "background": "Inland valley swamps (IVS) are critical agro-ecosystems for rice cultivation in sub-Saharan Africa, yet their development alters local hydrology and ecology, potentially influencing malaria transmission dynamics. The...

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• Building the Republic of Letters: Graduate Education, the University of Juba, and the Knowledge Infrastructure of Post-Conflict State Building

  African Education, Abraham Kuol Nyuon (Author)

  Building the Republic of Letters: Graduate Education, the University of Juba, and the Knowledge Infrastructure of Post-Conflict State Building examines the political economy of constructing a university system capable of producing...

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• Methodological Diagnostics of Municipal Water Systems in Rwanda: A Systematic Review of the Difference-in-Differences Model for Yield Optimisation

  Marie Chantal Uwase, Tharcisse Niyonzima, Valentine Mukamana, Jean de Dieu Uwimana (Author)

  { "background": "Municipal water systems are critical for agricultural productivity and rural development. In Rwanda, optimising the yield of these systems is a policy priority, yet rigorous methodological evaluations of impact...

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• Bayesian Hierarchical Model Evaluation of Municipal Infrastructure Assets in Nigeria: A Comparative Study in African Perspective

  PUIRS Editorial Import (Author)

  This study evaluates municipal infrastructure asset management in Nigeria, focusing on efficiency gains through a Bayesian hierarchical model. A Bayesian hierarchical model is employed to analyse data from municipal infrastructure assets...

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• Prioritization of Road Rehabilitation in Post-Conflict South Sudan Using Multi-Criteria Decision Analysis

  ORIGINAL RESEARCH ARTICLE (Author)

  Decades of civil conflict have left South Sudan with one of the most severely degraded road networks in sub-Saharan Africa, with fewer than 250 km of paved roads across a country of approximately 644,329 km². The post-conflict...

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• Community-Centred Approaches to Rural Road Maintenance in War-Affected Counties of South Sudan

  Aduot Madit Anhiem (Author)

  Rural road networks are the backbone of livelihood, humanitarian access, and post-conflict recovery in South Sudan, yet decades of civil conflict have dismantled both the physical infrastructure and the institutional capacity required...

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• Methodological Evaluation of Process-Control Systems in Senegal Using Difference-in-Differences for System Reliability Assessment

  PUIRS Editorial Import (Author)

  Process-control systems (PCSs) are critical in ensuring reliability and efficiency in manufacturing processes across various industries, including those operating in Sub-Saharan Africa like Senegal. A DiD model was employed to assess the...

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• A Mixed-Methods Social Accounting Matrix Framework for Analysing Diaspora Remittance Flows into Greenhouse Tomato Value Chains in Oromia

  Abebe Lemma, Saron Mekonnen (Author)

  { "background": "Diaspora remittances are a critical, yet poorly quantified, source of finance for agricultural intensification in sub-Saharan Africa. Their specific role in capitalising high-value horticultural value chains, such as...

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• Labour Reallocation and Gendered Time-Use in the Office du Niger: A Scoping Review of Mechanised Rice Harvester Impacts

  Mariama Diallo (Author)

  { "background": "The Office du Niger is a pivotal irrigated rice production zone in Mali. The recent introduction of mechanised rice harvesters is hypothesised to significantly alter labour dynamics and gendered divisions of agricultural...

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• Governing Resource Wealth: Developmental State Formation between Botswana's Diamond Success and South Sudan's Oil Failure

  Abraham Kuol Nyuon (Author)

  Natural resource wealth does not uniformly produce either development or fragility; its effects depend on the political and institutional conditions under which it is governed. Across African resource-rich states, similar endowments have...

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• Integrated BIM-GIS Framework for Asset Management of National Road Bridge Inventories

  Aduot Madit Anhiem (Author)

  The management of national road bridge inventories in developing regions is constrained by fragmented data systems, limited monitoring capacity, and the absence of integrated decision-support frameworks capable of translating condition...

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• Methodological Diagnostics and Multilevel Regression Analysis of Regional Agricultural Monitoring Networks in Nigeria

  Chinedu Okonkwo, Oluwasegun Adebayo, Amina Suleiman (Author)

  Agricultural monitoring networks are critical for informing food security policy, yet their methodological rigour in developing regions is often unexamined. In Nigeria, regional networks generate yield data, but the statistical validity...

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• Bayesian Hierarchical Model Assessment of Transport Maintenance Depot Systems in Kenya,

  PUIRS Editorial Import (Author)

  This study focuses on evaluating the performance of transport maintenance depots in Kenya by applying a Bayesian hierarchical model to assess yield improvements over time. A Bayesian hierarchical model was employed to analyse data from...

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• Forecasting System Reliability in Senegalese Industrial Machinery Fleets Using Time-Series Models

  PUIRS Editorial Import (Author)

  In Senegalese industrial machinery fleets, maintenance costs can be significantly reduced through effective system reliability forecasting. A comprehensive analysis of historical failure data was conducted using ARIMA (AutoRegressive...

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• A Bayesian Hierarchical Model for Reliability Diagnostics in Uganda's Agricultural Field Research Station Network

  Nakato Kaggwa (Author)

  { "background": "Agricultural field research stations are critical infrastructure for generating agronomic evidence, yet systematic evaluations of their operational reliability are lacking, particularly in sub-Saharan Africa. This gap...

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• Bayesian Hierarchical Model for Cost-Efficiency Evaluation of Industrial Machinery Fleets in Ghana: A Methodological Assessment

  PUIRS Editorial Import (Author)

  Industrial machinery fleets in Ghana are critical to economic development but often suffer from inefficiencies and high maintenance costs. A Bayesian hierarchical model was applied to analyse data on industrial machinery fleets in Ghana....

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• Methodological Diagnostics and Reliability Estimation for Nigerian Secondary Education Systems: A Panel-Data Analysis for Sustainable Development Planning

  Adebayo Adeyemi, Chinwe Okonkwo, Ngozi Eze, Ibrahim Suleiman (Author)

  The reliability of secondary education systems, particularly in agricultural science instruction, is a critical but under-evaluated component for achieving sustainable development goals in sub-Saharan Africa. Existing assessments often...

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• Grassroots Financial Inclusion

  Makoi Majok Toch, Gabriel Alier Riak (Author)

  Despite growing recognition of community-based savings institutions across sub-Saharan Africa, the precise mechanisms through which Community Group Savings and Lending (CGSL) participation translates into measurable improvements in...

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• paper 69be624852aab8.21106786 Paper1 Final AMJ 202511

  Makoi Majok Toch, Gabriel Alier Riak (Author)

  This study investigates the influence of informal lending mechanisms — specifically Community Group Saving and Lending (CGSL) mechanisms — on rural agricultural development in Eastern Equatoria, Jonglei, and Lakes States of South Sudan....

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• Evaluating Communal Grazing Reserve Efficacy for Rangeland Biomass Restoration in Afar, Ethiopia: An Integrated Remote Sensing and Field Assessment

  Mekonnen Assefa, Hanan Mohammed, Tadesse Gebre, Selamawit Tesfaye (Author)

  { "background": "Communal grazing reserves are a key rangeland management strategy in arid and semi-arid pastoral systems of the Horn of Africa, yet empirical evidence of their efficacy for biomass restoration remains limited and...

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• Methodological Evaluation of Water Treatment Facilities Adoption in Uganda Using Multilevel Regression Analysis

  PUIRS Editorial Import (Author)

  Water treatment facilities are essential for ensuring clean drinking water in Uganda's rural areas. A multilevel logistic regression model was used to analyse data from 100 villages across Uganda, accounting for both individual...

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• A Comparative Bayesian Hierarchical Modelling Approach to Off-Grid System Adoption in Kenyan Rural Communities

  Wanjiku Mwangi, Kamau Ochieng (Author)

  { "background": "The adoption of off-grid energy systems is critical for rural development, yet robust methodological frameworks for analysing adoption rates across diverse communities are lacking. Existing studies often rely on...

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• Bayesian Hierarchical Model Assessment for Industrial Machinery Fleet Efficiency in Ethiopia: A Methodological Approach

  PUIRS Editorial Import (Author)

  Industrial machinery fleet efficiency is crucial for sustainable development in Ethiopia's manufacturing sector. Existing models often lack a comprehensive statistical framework to assess the performance and identify potential...

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• Methodological Evaluation of Manufacturing Plant Systems in Rwanda Using Multilevel Regression Analysis for Risk Reduction Assessment

  PUIRS Editorial Import (Author)

  This study addresses a current research gap in Engineering concerning Methodological evaluation of manufacturing plants systems in Rwanda: multilevel regression analysis for measuring risk reduction in Rwanda. The objective is to...

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• Time-Series Forecasting Model Evaluation for Cost-Effectiveness in Ugandan Industrial Machinery Fleets Systems,

  PUIRS Editorial Import (Author)

  Industrial machinery fleets in Uganda have seen significant growth over the past decades, necessitating effective management strategies to ensure cost-effectiveness and operational efficiency. The methodology involves collecting...

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• PREDICTIVE MAINTENANCE OF POWER TRANSFORMER USING MACHINE LEARNING - A CASE STUDY

  AMANING RICHMOND OFORI, DR JOSEPH C. ATTACHIE (Author)

  The importance of power transformers in electrical power systems cannot be overstated, as their failures can lead to considerable economic losses and disruptions. The typical malfunctions encountered by a power transformer comprise...

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• African Education and Development (Interdisciplinary -)

  Abraham Kuol Nyuon (Author)

  Building the Republic of Letters: Graduate Education, the University of Juba, and the Knowledge Infrastructure of Post-Conflict State Building examines the political economy of constructing a university system capable of producing...

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• Prioritization of Road Rehabilitation Investments in Post-Conflict South Sudan Using Multi-Criteria Decision Analysis

  wabden wabden, Aduot Madit Anhiem (Author)

  South Sudan's post-conflict road rehabilitation agenda faces a fundamental challenge: a backlog of deteriorated road infrastructure vastly exceeding available funding, with no transparent or technically defensible framework for directing...

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• Geotechnical Challenges of Pipeline Corridor Construction Across Expansive Clay Soils of Upper Nile State

  Aduot Madit Anhiem (Author)

  The construction of petroleum pipeline corridors across the expansive Vertisol clays of Upper Nile State, South Sudan, presents extreme geotechnical hazards driven by the high shrink-swell behaviour of smectite-dominated soils with...

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• Methodological Evaluation of Water Treatment Facilities Adoption in Rwanda Using Difference-in-Differences: An Empirical Study

  PUIRS Editorial Import (Author)

  The adoption of water treatment facilities in Rwanda has been inconsistent, leading to varying levels of access to clean water across different regions. This variability necessitates a methodological evaluation to understand factors...

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• Email: aduot.madit2022@gmail.com | rigkher@gmail.com

  PUIRS Editorial Import (Author)

  Rural road networks are the backbone of livelihood, humanitarian access, and post-conflict recovery in South Sudan, yet decades of civil conflict have dismantled both the physical infrastructure and the institutional capacity required...

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• Methodological Assessment of Manufacturing Plant Systems in Senegal Using Quasi-Experimental Design for Yield Improvement

  PUIRS Editorial Import (Author)

  Manufacturing plants in Senegal are facing challenges in maintaining optimal yield levels due to variations in operational processes and external factors. A quasi-experimental design was employed, incorporating process measurements and...

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• Methodological Diagnostics for Smallholder Farm System Efficiency: A Systematic Review of Panel Data Estimation in South Africa, 2021–2026

  Thandiwe Nkosi, Pieter van der Merwe, Lerato Mokoena, Jameson Khumalo (Author)

  Smallholder farm system efficiency is critical for food security and rural livelihoods. Panel data estimation offers robust methodological advantages for capturing dynamic efficiency gains, yet a systematic assessment of its application...

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• Low-Volume Road Design Using Laterite and Stabilised Soils in South Sudan's Equatoria Region

  PUIRS Editorial Import (Author)

  Low-volume roads constitute over 85% of South Sudan's rural road network and are the primary means by which farming communities in the Equatoria Region access markets, healthcare, and educational institutions. Despite their importance,...

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• Power-Distribution Equipment Systems Adoption in Tanzania: A Multilevel Regression Analysis

  PUIRS Editorial Import (Author)

  This study examines the adoption rates of power-distribution equipment systems (PDES) in Tanzania, focusing on their deployment and impact across various levels of governance. A multilevel logistic regression model was employed,...

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• Optimization of Bridge Placement Along Petroleum Logistics Corridors Using GISand Network Analysis in South Sudan

  Optimization of Bridge Placement Along (Author)

  The petroleum logistics network of South Sudan spans 1,865 km of classified roads crossing more than 58 river channels, of which only 17 (29%) are currently bridged. During the annual wet season, unbridged crossings render 340–520 km of...

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• Methodological Assessment of Industrial Machinery Fleets Systems in Ethiopia: Quasi-Experimental Design for Adoption Rates Analysis

  PUIRS Editorial Import (Author)

  Industrial machinery fleets play a crucial role in Ethiopia's economic development, particularly in manufacturing sectors such as food processing and construction. A mixed-method approach was employed, including surveys (N=150) and...

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• Methodological Evaluation of Water Treatment Facilities in Ethiopia Using Difference-in-Differences for Cost-Effectiveness Analysis

  PUIRS Editorial Import (Author)

  Water treatment facilities in Ethiopia have been implemented to improve access to clean water for communities across various regions. However, the cost-effectiveness of these systems remains uncertain due to varying implementation...

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• Adaptive Radial-Based Importance Sampling for Efficient Estimation of Low Failure Probabilities in Geotechnical Random-Field Problems

  Aduot Madit Anhiem (Author)

  Crude Monte Carlo Simulation (MCS) is consistent and unbiased for estimating failure probabilities in geotechnical reliability analysis, but its computational cost scales inversely with Pf: for small failure probabilities (Pf < 10⁻³),...

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• Solar-Powered Cold Storage and Post-Harvest Losses: A Comparative Supply Chain Analysis of Mango Marketable Surplus in Sikasso, Mali

  Boubacar Keita, Adama Traoré, Fatoumata Dembélé, Aminata Coulibaly (Author)

  { "background": "Post-harvest losses of perishable fruits, particularly mangoes, represent a critical constraint to farmer livelihoods and food security in sub-Saharan Africa. In Mali, the Sikasso region is a major production zone, but...

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• Methodological Evaluation of Transport Maintenance Depot Systems in Nigeria: A Randomized Field Trial for Yield Improvement Assessment

  PUIRS Editorial Import (Author)

  Transport maintenance depots in Nigeria are crucial for ensuring efficient vehicle operation and safety. However, their performance variability is significant, making improvement strategies challenging. A mixed-method approach was...

  Read Article

• Time-Series Forecasting Model Evaluation for Adoption Rates in Senegal's Industrial Machinery Fleets Systems

  PUIRS Editorial Import (Author)

  This study evaluates time-series forecasting models for measuring adoption rates in Senegal's industrial machinery fleets systems. A time-series forecasting model was employed, specifically an ARIMA (AutoRegressive Integrated Moving...

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• The Impact of Informal Lending Mechanisms on Rural Agricultural Development: Evidence from South Sudan

  Makoi Majok Toch, Gabriel Alier Riak (Author)

  This study investigates the influence of informal lending mechanisms — specifically Community Group Saving and Lending (CGSL) mechanisms — on rural agricultural development in Eastern Equatoria, Jonglei, and Lakes States of South Sudan....

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• A Multi-Level Analytical Framework for Climate-Smart Forage Adoption in East African Dairy Systems

  Patience Mbabazi, Josephine Nankya, Godfrey Kato (Author)

  { "background": "Climate-smart forages, such as Brachiaria grass, offer a pathway to enhance the resilience and productivity of smallholder dairy systems in sub-Saharan Africa. However, adoption remains low and is influenced by a complex...

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• Multilevel Regression Analysis for Evaluating Cost-Effectiveness of Industrial Machinery Fleets in Ethiopia: An Empirical Study

  PUIRS Editorial Import (Author)

  Industrial machinery fleets play a critical role in Ethiopia's industrial sector, yet their cost-effectiveness is not well understood. This study employs multilevel regression analysis to examine data from multiple levels (e.g.,...

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• Structural Performance of Timber-Composite Bridges for Rural Connectivity in South Sudan

  Structural Performance of (Author)

  South Sudan has an estimated rural bridge deficit of 680 crossings below 25 m span, representing the primary physical barrier to year-round agricultural market access, emergency humanitarian logistics, and community healthcare...

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• Time-Series Forecasting Model Evaluation for Cost-Effectiveness in Nigerian Transport Maintenance Depots Systems,

  PUIRS Editorial Import (Author)

  This study addresses a current research gap in Engineering concerning Methodological evaluation of transport maintenance depots systems in Nigeria: time-series forecasting model for measuring cost-effectiveness in Nigeria. The objective...

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• Multilevel Regression Analysis for Risk Reduction in Power-Distribution Equipment Systems in Ethiopia,

  PUIRS Editorial Import (Author)

  Power-distribution equipment systems in Ethiopia have faced challenges related to reliability and maintenance efficiency over time. Multilevel regression analysis was employed to identify factors influencing system reliability and...

  Read Article

• Methodological Validation of Manufacturing Plant Systems in Rwanda Using Difference-in-Differences Analysis

  PUIRS Editorial Import (Author)

  This study aims to validate methodological approaches used in previous research on manufacturing plant systems in Rwanda. This replication study employs the difference-in-differences (DiD) econometric model to assess changes in...

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• Methodological Evaluation of Panel-Data Estimators for Risk Reduction in South African Smallholder Farming Systems: A Comparative Analysis, 2021–2026

  Thandiwe Nkosi, Pieter van der Merwe (Author)

  { "background": "Smallholder farming systems are inherently exposed to climatic and market risks, yet robust empirical measurement of risk reduction strategies remains methodologically challenging. The application of panel-data...

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• Climate Security in the Horn of Africa: Environmental Stress, Governance Failure, and Pastoralist Violence

  Abraham Kuol Nyuon (Ph.D) (Author)

  This policy brief examines the critical nexus between climate-induced environmental stress and escalating intercommunal violence among pastoralist groups in Ethiopia, arguing that environmental change is a primary but non-exclusive...

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• Structural Assessment of Petroleum Pipeline Crossings Over Flood-Prone Road Corridors in South Sudan

  ORIGINAL RESEARCH ARTICLE (Author)

  : Petroleum pipeline crossings over road corridors represent structurally critical and economically vital infrastructure intersections in South Sudan, a nation where oil revenues constitute more than 90% of government income and where...

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• Bearing Capacity Assessment of Bridge Foundations on Expansive Black Cotton Soils in Warrap State, South Sudan

  Aduot Madit Anhiem (Author)

  Expansive black cotton soils, classified as Vertisols in the FAO-UNESCO soil taxonomy and characterised by montmorillonite-dominated clay mineralogy, present exceptional geotechnical engineering challenges to bridge foundation design...

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• Bayesian Hierarchical Model for Assessing System Reliability in Rwanda’s Transport Maintenance Depots Systems

  PUIRS Editorial Import (Author)

  Rwanda’s transport maintenance depots play a critical role in ensuring vehicle reliability and safety within its road network. A Bayesian hierarchical model was developed to assess the reliability of transport maintenance depots. This...

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• Methodological Evaluation of Transport Maintenance Depot Systems in Tanzania: A Randomized Field Trial for Cost-Efficiency Assessment

  PUIRS Editorial Import (Author)

  Transport maintenance depots play a critical role in ensuring efficient operation of transport systems in Tanzania. However, their effectiveness and cost-efficiency vary significantly across different depots. A randomized field trial was...

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• Methodological Evaluation of Power-Distribution Equipment Systems in Senegal Using Time-Series Forecasting for Risk Reduction Analysis

  PUIRS Editorial Import (Author)

  This study examines power-distribution equipment systems in Senegal, assessing their reliability and identifying areas for improvement. A comprehensive analysis was conducted, involving data collection from multiple sources, including...

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• Integrating Earth Observation and Agronomic Diagnostics for Enhanced Crop Monitoring in North Africa

  Hassan Abdi, Kamau Njoroge, Wanjiku Mwangi, Grace Achieng (Author)

  { "background": "Crop monitoring in semi-arid regions remains challenging due to sparse ground data and variable agro-climatic conditions. Existing remote sensing methods often lack integration with in-situ agronomic diagnostics,...

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• From Predatory Extraction to Developmental Accumulation: Rethinking War-Economy Transition in Post-Conflict States

  Abraham Kuol Nyuon, Ph.D. Author (Author)

  Post-conflict recovery is often framed in terms of reconstruction spending and institutional reform, yet long-term transformation depends on deeper shifts in political incentives. In many cases, war economies persist because ruling...

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• Flood-Resilient Road Design Standards for the Sudd Wetland Region of South Sudan

  wabden wabden, Aduot Madit Anhiem (Author)

  The Sudd, one of the world's largest freshwater wetlands, presents extreme hydrological and geotechnical challenges for road infrastructure design in South Sudan. Seasonal and prolonged flooding, expansive clay subgrades, and an absence...

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• Panel-Data Estimation of Adoption Rates in Tanzanian Municipal Water Systems: A Methodological Evaluation for Sustainable Development

  Neema Mwambene, Juma Kisanga (Author)

  { "background": "Accurate measurement of technology adoption is critical for evaluating sustainable development interventions in African agriculture and water sectors. Existing methods for assessing the uptake of municipal water systems...

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• Fatigue Life Assessment of Welded Steel Bridge Connections Under Variable Amplitude Loading

  Aduot Madit Anhiem (Author)

  Welded steel connections are the most fatigue-critical components in highway bridge structures, and their reliable assessment under realistic variable amplitude loading remains a fundamental challenge in structural engineering practice....

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• Methodological Evaluation of Water Treatment Systems in South Africa: Panel Data Estimation for Yield Improvement,

  PUIRS Editorial Import (Author)

  Water treatment systems in South Africa have seen significant investment over recent decades to improve water quality and supply reliability. The analysis employs a fixed effects model (FE) with robust standard errors to account for...

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• Methodological Evaluation of Field Research Station Systems: A Panel-Data Estimation of Clinical Outcomes in South Africa, 2021–2026

  Pieter van der Merwe, Kagiso Mokoena, Thandiwe Nkosi, Annette Botha (Author)

  Field research stations are critical infrastructure for agricultural development, yet there is a paucity of systematic, quantitative evaluations of their methodological efficacy in generating robust clinical trial outcomes. This study...

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• Energy Harvesting from Road Pavement Vibrations: Piezoelectric and Thermoelectric Approaches

  Aduot Madit Anhiem (Author)

  The global imperative for sustainable energy solutions has renewed interest in ambient energy harvesting from civil infrastructure. Road pavement systems, which continuously receive mechanical energy from vehicular loading and thermal...

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• Methodological Evaluation of Off-Grid Photovoltaic Systems in South Africa: A Panel-Data Estimation of Efficiency Gains in Rural Agriculture

  Thandeka Nkosi (Author)

  Off-grid photovoltaic (PV) systems are increasingly deployed to support rural agricultural development, yet rigorous methodological frameworks for quantifying their impact on productive efficiency remain underdeveloped. This study aims...

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• Sustaining Community-Funded Early Childhood Development: A Three-Year Viability Analysis for Informal Settlements in Kampala, 2023–2026

  Julius Kato, Robert Ssekandi, Fatuma Nalwoga (Author)

  Early childhood development (ECD) provision in informal settlements is critically underfunded. Community-funded centres have emerged as a primary response, yet their medium-term financial and operational viability remains unexamined,...

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• Urban Governance in African Capitals: Juba's Growth, Infrastructure Deficits, and Planning Failures: Fiscal Dimensions and Revenue Implications

  Abraham Kuol Nyuon (Author)

  This article examines Urban Governance in African Capitals: Juba's Growth, Infrastructure Deficits, and Planning Failures: Fiscal Dimensions and Revenue Implications with a focused emphasis on South Africa within the field of Political...

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• Methodological Evaluation of Transport Maintenance Depot Systems in Uganda Using Multilevel Regression Analysis to Measure Adoption Rates

  PUIRS Editorial Import (Author)

  Transport maintenance depots (TMDs) play a crucial role in ensuring efficient vehicle operations within Uganda's transportation sector. A mixed-method approach was employed, combining quantitative data from surveys with qualitative...

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• Power-Distribution Equipment Systems Yield Improvement in Senegal: A Difference-in-Differences Analysis

  PUIRS Editorial Import (Author)

  Power distribution systems in Senegal have seen significant challenges in reliability and efficiency. A DID model was applied to assess the effect of PDE installations across different regions in Senegal over two consecutive years. The...

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• Methodological Assessment of Municipal Infrastructure Asset Systems in South Africa Using Quasi-Experimental Design for Efficiency Gains,

  PUIRS Editorial Import (Author)

  This study examines municipal infrastructure asset systems in South Africa, focusing on efficiency gains over a period from to . A quasi-experimental design, incorporating propensity score matching and difference-in-differences analysis,...

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• Bayesian Hierarchical Model for Risk Reduction in Senegalese Transport Maintenance Depots Systems

  PUIRS Editorial Import (Author)

  Transport maintenance depots in Senegal face significant challenges related to risk management and efficiency improvement. A Bayesian hierarchical model was developed to analyse data from Senegalese transport maintenance depots. The...

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• Implementing Random-Field Reliability Analysis in MATLAB for Soil-Nailed Slope Stability: A Reproducible Workflow

  Aduot Madit Anhiem (Author)

  This paper presents a complete, reproducible MATLAB workflow for random-field (RF) reliability analysis of soil-nailed slopes. The implementation integrates four main software modules: a data-structure builder (inputData), a...

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• Methodological Evaluation of Power-Distribution Equipment Systems in Tanzania Using Panel Data for Risk Reduction Assessment

  PUIRS Editorial Import (Author)

  Power distribution equipment systems in Tanzania face significant operational challenges that affect reliability and safety. A panel data approach will be used to analyse system performance over time, incorporating robust standard errors...

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• Pastoral Livelihoods and Labour Organisation in East Africa: Perspectives from Eastern Africa

  Abraham Kuol Nyuon (Ph.D) (Author)

  This comparative study examines the evolving nature of pastoral livelihoods and labour organisation in Tanzania, focusing on the divergent pathways of sedentarisation and market-oriented pastoralism. Drawing on primary data from...

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• Corporate Deniability in a War Economy: Oil Majors, Contract Opacity, and Conflict Finance in South Sudan

  Contract Opacity, Conflict Finance in South Sudan (Author)

  Oil-sector governance in South Sudan reveals how corporate practices, opaque contracting, and soft-law human-rights standards intersect with state predation and conflict financing. Focusing on South Sudanese oil operations—with...

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• Methodological Evaluation of Power-Distribution Equipment Systems in Ghana Using Difference-in-Differences for Efficiency Assessment

  PUIRS Editorial Import (Author)

  Power distribution equipment (PDEs) play a critical role in ensuring reliable electricity supply in Ghana's power grid. We applied econometric techniques to assess changes in PDE performance before and after specific interventions. The...

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• Methodological Evaluation of Transport Maintenance Depot Systems in Nigeria Using Time-Series Forecasting Models for Cost-Effectiveness Analysis

  PUIRS Editorial Import (Author)

  The efficiency of transport maintenance depots in Nigeria has been identified as a critical area for improvement to enhance vehicle reliability and reduce operational costs. The study employs ARIMA (AutoRegressive Integrated Moving...

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• Methodological Rigour and Diagnostic Reliability in Tanzania's Regional Agricultural Health Monitoring Networks: A Systematic Review

  Fatuma Mwinyimvua (Author)

  { "background": "Regional agricultural health monitoring networks are critical for early detection and management of crop and livestock diseases, yet their methodological rigour in generating reliable diagnostic data for clinical...

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• Bayesian Hierarchical Model for Evaluating Cost-Effectiveness of Transport Maintenance Depots in South Africa: A Methodological Assessment

  PUIRS Editorial Import (Author)

  Transport maintenance depots play a crucial role in ensuring the reliability and efficiency of road transport systems in South Africa. A Bayesian hierarchical model was employed to assess the cost-effectiveness of transport maintenance...

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• Multilevel Regression Analysis for Yield Improvement in Nigerian Process-Control Systems: An Engineering Perspective

  PUIRS Editorial Import (Author)

  Process-control systems are critical in ensuring consistent product quality across Nigerian manufacturing facilities. A multilevel regression model was employed to analyse data from various Nigerian process-control systems, accounting...

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• Methodological Evaluation of Water Treatment Facilities in Ghana: Panel Data Estimation for Yield Improvement Assessment

  PUIRS Editorial Import (Author)

  Water treatment facilities in Ghana are essential for ensuring safe drinking water access across various regions. Despite significant investments, yield improvement remains a challenge due to varying operational conditions and...

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• Methodological Assessment of Manufacturing Plant Systems in South Africa Using Panel Data to Measure Risk Reduction Risk Mitigation Through Panel Data Analysis in South African Manufacturing Plants

  PUIRS Editorial Import (Author)

  Manufacturing plants in South Africa face significant operational risks that can impact productivity and profitability. Understanding these risks through a methodological approach is crucial for effective risk mitigation strategies....

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• Policy Trajectories and Learning Outcomes: A Comparative Analysis of Regional Education Frameworks in Burkina Faso

  Issoufou Sawadogo, Fatimata Sanogo, Adama Ouédraogo (Author)

  { "background": "Education policy in West Africa is characterised by a complex interplay of national priorities and regional frameworks. This analysis examines the implementation of such frameworks within a specific national context,...

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• Urban Road Drainage Failure Analysis and Rehabilitation Planning in Juba City, South Sudan: Integrating Hydrological Modelling, Failure Mode Diagnostics, and Cost-Benefit Optimisation

  Aduot Madit Anhiem (Author)

  Juba, the capital city of South Sudan and home to an estimated 525,000 residents in 2024, has experienced a 200% increase in flood-related road closures between 2012 and 2024, driven by rapid unplanned urbanisation, expanding impervious...

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• Methodological Assessment of Transport Maintenance Depot Systems in Rwanda Using Panel Data for Risk Reduction Analysis

  PUIRS Editorial Import (Author)

  This study examines transport maintenance depot systems in Rwanda to assess their effectiveness in reducing operational risks. A mixed-methods approach combining quantitative panel data estimation with qualitative insights was employed....

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• A Time-Series Forecasting Model for Cost-Effectiveness Diagnostics in Ugandan Agro-Manufacturing Systems

  Grace Nakimera, Josephine Nalwanga, David Kato Lubwama (Author)

  { "background": "Agro-manufacturing in sub-Saharan Africa faces persistent challenges in operational efficiency and cost management. Existing diagnostic tools often rely on static, retrospective analyses, which are poorly suited to the...

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• Random-Field Modelling of Cohesion and Friction Angle for Reliability Assessment of Soil-Nailed Slopes

  Aduot Madit Anhiem (Author)

  Soil spatial variability is the primary source of uncertainty governing the reliability of geotechnical slopes. This paper presents a random field (RF) framework for characterising cohesion (c′) and friction angle (φ′) as spatially...

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• Mobile Technology Adoption for Agricultural Extension: A Diagnostic Analysis of Smallholder Access in Burkina Faso (2021–2026)

  Fatimata Sissao, Jean-Baptiste Sawadogo, Adama Ouédraogo (Author)

  Agricultural extension services are critical for smallholder productivity, yet face severe accessibility challenges. Mobile technology presents a transformative opportunity, but its adoption dynamics among smallholders in fragile...

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• A Methodological Evaluation and Time-Series Forecasting Model for Manufacturing Systems Adoption in Senegalese Agro-Processing

  Fatou Ndiaye, Moussa Sarr, Aïssatou Diagne (Author)

  { "background": "The adoption of advanced manufacturing systems in Senegalese agro-processing is critical for enhancing productivity and value addition. However, rigorous methodological frameworks for evaluating this adoption and...

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• Governing Water Security in the Horn of Africa: Institutional Frameworks and Conflict Prevention

  Abraham Kuol Nyuon (Author)

  This article develops a novel theoretical framework for analysing water security governance in the Horn of Africa, a region characterised by transboundary hydrological interdependence and political fragility. It critiques the limitations...

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• Navigating the Implementation Gap: A Policy Governance Analysis of Ethiopian Educational Reforms

  Abebe Tadesse, Tewodros Getachew, Selamawit Mengesha, Fasika Alemayehu (Author)

  Educational policy reforms in Ethiopia have been frequent and ambitious, yet persistent challenges in translating policy into practice have created a significant implementation gap. This gap undermines the intended improvements in...

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• Optimization of Bridge Placement Along

  Optimization of Bridge Placement Along (Author)

  The petroleum logistics network of South Sudan spans 1,865 km of classified roads crossing more than 58 river channels, of which only 17 (29%) are currently bridged. During the annual wet season, unbridged crossings render 340–520 km of...

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• Methodological Evaluation of Power-Distribution Equipment Systems in South Africa: Quasi-Experimental Design for Yield Improvement Inquiry

  PUIRS Editorial Import (Author)

  Power-distribution equipment systems are critical for ensuring reliable electricity supply in South Africa's infrastructure. However, their performance varies significantly across different regions and settings. A mixed-method approach...

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• Bayesian Hierarchical Model for Risk Reduction in Industrial Machinery Fleets of Kenya: An Analytical Study

  PUIRS Editorial Import (Author)

  Industrial machinery fleets in Kenya face significant operational risks that can lead to costly downtime and reduced productivity. Existing risk assessment methodologies are often static and may not account for the dynamic nature of...

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• Bayesian Hierarchical Model Assessment of Transport Maintenance Depot Systems in Senegal: A Methodological Study

  PUIRS Editorial Import (Author)

  Transport maintenance depots in Senegal face challenges related to yield improvement, necessitating a methodological evaluation of their operational effectiveness. A Bayesian hierarchical model was employed to analyse data from...

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