| Combustion of agricultural residues J Werther, M Saenger, EU Hartge, T Ogada, Z Siagi Progress in energy and combustion science 26 (1), 1-27, 2000 | 1520 | 2000 |
| Combustion of coffee husks M Saenger, EU Hartge, J Werther, T Ogada, Z Siagi Renewable Energy 23 (1), 103-121, 2001 | 215 | 2001 |
| Dissolution rate of South African calcium-based materials at constant pH ZO Siagi, M Mbarawa Journal of Hazardous Materials 163 (2-3), 678-682, 2009 | 76 | 2009 |
| The solar energy access in Kenya: a review focusing on Pay-As-You-Go solar home system G Adwek, S Boxiong, PO Ndolo, ZO Siagi, C Chepsaigutt, CM Kemunto, ... Environment, development and sustainability 22, 3897-3938, 2020 | 65 | 2020 |
| A comprehensive review of maximum power point tracking (mppt) techniques used in solar pv systems ML Katche, AB Makokha, SO Zachary, MS Adaramola Energies 16 (5), 2206, 2023 | 35 | 2023 |
| The effects of limestone type on the sulphur capture of slaked lime ZO Siagi, M Mbarawa, AR Mohamed, KT Lee, I Dahlan Fuel 86 (17-18), 2660-2666, 2007 | 35 | 2007 |
| Effect of ammonium compounds on dissolution rate of South African calcium-based material H Rutto, Z Siagi, M Mbarawa Journal of hazardous materials 168 (2-3), 1532-1536, 2009 | 19 | 2009 |
| A study on agricultural residues as a substitute to fire wood in Kenya: a Review on Major Crops SK Kimutai, AM Muumbo, ZO Siagi, AK Kiprop Journal of Energy Technologies and Policy 4 (9), 45-52, 2014 | 18 | 2014 |
| In situ transesterification of Spirulina microalgae to produce biodiesel using microwave irradiation AK Koech, A Kumar, ZO Siagi Journal of Energy 2020, 1-10, 2020 | 15 | 2020 |
| An overview of SO2 emissions reduction techniques ZO Siagi, M Mbrawa R&D Journal of the South African Institution of Mechanical Engineering 24 (1 …, 2008 | 13 | 2008 |
| Waste to energy: Heat recovery from the compost reactor as a source of renewable energy MC Mwape, IE Muchilwa, ZO Siagi, FD Yamba International Journal of Energy Engineering 10 (1), 10-15, 2020 | 9 | 2020 |
| Comparative study of composite made from ensete false banana fibres and polyethylene with block board SK Kimutai, ZO Siagi, JJ Kiptarus, AD Kibet Journal of Energy Technologies and Policy 4 (12), 48-54, 2014 | 8 | 2014 |
| Flue gas desulphurisation under south african conditions ZO Siagi Tshwane University of Technology, 2008 | 7 | 2008 |
| Optimization of liquid fuel production from microwave pyrolysis of used tyres R Bett, A Kumar, ZO Siagi Journal of Energy 2021, 1-11, 2021 | 6 | 2021 |
| Effect of formulation, binder and compaction pressure of rice husk-bagasse briquettes on thermal and physical properties KK Daniel, ZO Siagi, JO Ogola Journal of Scientific Research and Reports 26 (10), 38-53, 2020 | 4 | 2020 |
| Factors affecting the number of household energy sources in Kenya: generalized linear model SK Kimutai, AK Kiprop, ZO Siagi International Journal of Novel Research in Engineering and Science 6 (2), 27-32, 2019 | 4 | 2019 |
| Influence of hydration variables on the properties of South African calcium/siliceous-based material DO Ogenga, ZO Siagi, MS Onyango, M Mbarawa Frontiers of Chemical Engineering in China 3, 46-51, 2009 | 4 | 2009 |
| Intelligent optimal control of wind power generating system by a complemented linear quadratic Gaussian approach EB Muhando, T Senjyu, OZ Siagi, T Funabashi 2007 IEEE Power Engineering Society Conference and Exposition in Africa …, 2007 | 3 | 2007 |
| Predicting the techno-economic performance of a large-scale second-generation bioethanol production plant: a case study for Kenya W Ngigi, Z Siagi, A Kumar, M Arowo International Journal of Energy and Environmental Engineering 14 (1), 95-108, 2023 | 2 | 2023 |
| Determinants of household energy utilization and changing behaviour in Kenya: Structural equation modelling approach SK Kimutai, ZO Siagi, PM Wambua European Journal of Energy Research 2 (4), 1-9, 2022 | 2 | 2022 |
