The opportunities and challenges in using mobile phones as learning tools for Higher Learning Students in the developing countries: Zanzibar context. - Haji Ali Haji; Abdalla Abu Shaame; Omar Haji Kombo (AFRICON, 2013)

Design and Application of a Low-Cost, Low- Power, LoRa-GSM, IoT Enabled System for Monitoring of Groundwater Resources With Energy Harvesting Integration. - Omar Haji Kombo; Santhi Kumaran; Alastair Bovim (IEEE Access, 2021)

A Decision Support Tool Based on WSN and ML Models for Adaptation and Management of Groundwater Resources in Sub-Saharan Africa. - Omar Haji Kombo; Santhi Kumaran; Emmanuel Ndashimye (AFRICON, 2023)

A Hybrid Model XBORE for Predicting the Performance of Truck-Haulage Systems in the Ore Transportation Process at Underground Mine. - Morris Mkokweza; Santhi Kumaran; George Mufungulwa; Omar Haji Kombo (IEEE Access, 2024)