| A review of carbon dioxide as a refrigerant in refrigeration technology P Maina, Z Huan South african journal of science 111 (9-10), 01-10, 2015 | 75 | 2015 |
| Investigation of fuel properties and engine analysis of Jatropha biodiesel of Kenyan origin P Maina Journal of energy in Southern Africa 25 (2), 107-116, 2014 | 22 | 2014 |
| Enhancement of lime reactivity by addition of diatomite P Maina, M Mbarawa Fuel processing technology 92 (10), 1910-1919, 2011 | 18 | 2011 |
| Energy Optimization Model Using Linear Programming for Process Industry: A Case Study of Textile Manufacturing Plant in Kenya AM Isaiah Kimutai, Paul Maina International Journal of Energy Engineering 9 (2), 45-52, 2019 | 17 | 2019 |
| Investigating effects of zeolites as an agent to improve limestone reactivity toward flue gas desulfurization P Maina, M Mbarawa Energy & fuels 25 (5), 2028-2038, 2011 | 13 | 2011 |
| Improvement of lime reactivity towards desulfurization by hydration agents P Maina Chem Sci Trans 2 (1), 147-159, 2013 | 12 | 2013 |
| Blending lime and iron waste to improve sorbents reactivity towards desulfurization P Maina, M Mbarawa Fuel 102, 162-172, 2012 | 11 | 2012 |
| Use of fly ash, bottom ash and zeolite as additives for enhancing lime reactivity towards flue gas desulfurization P Maina, M Mbarawa Environmental Progress & Sustainable Energy 32 (1), 75-83, 2013 | 8 | 2013 |
| Kenya talks climate S Otieno, E Pauker, P Maina The public understanding of Climate change. Research Report. London, UK BBB …, 2009 | 7 | 2009 |
| Effects of refrigerant charge in the output of a CO2 heat pump P Maina, Z Huan African Journal of Science, Technology, Innovation and Development 5 (4 …, 2013 | 6 | 2013 |
| Engine emissions and combustion analysis of biodiesel from East African countries P Maina South African Journal of Science 110 (3-4), 01-09, 2014 | 4 | 2014 |
| An economic selection index that combines cane yield and sugar content in identifying superior sugarcane clones in Kenya. J Ong'ala, N Wawire, J Jamoza, P Maina, E Ong'injo, V Otieno | 3 | 2013 |
| Effects of various parameters on the efficiency of a CO2 heat pump: A statistical approach P Maina, Z Huan Journal of Thermal Engineering 1 (4), 236-278, 2015 | 2 | 2015 |
| Preliminary analysis and performance of a trans-critical CO2 heat pump P Maina, Z Huan 2012 Proceedings of the 9th Industrial and Commercial Use of Energy …, 2012 | 2 | 2012 |
| Performance of a CO2water to water heat pump with less charge: Inlet temperature effects P Maina, Z Huan 2015 International Conference on the Industrial and Commercial Use of Energy …, 2015 | 1 | 2015 |
| Improving Lime’s Reactivity Towards Flue Gas Desulfurization by using Fly Ash, Bottom Ash and Waste Activated Sludge P Maina ABC Journal of Advanced Research 2 (1), 8-19, 2013 | 1 | 2013 |
| Effect of Activated Sludge on Limestone Reactivity P Maina, M Mbarawa Proceedings of the World Congress on Engineering 3, 2010 | 1 | 2010 |
| Evaluation of combustion performance of briquettes-firewood co-fired tea factory boiler AM Moses Sitoya, Paul Maina Kirinyaga university 7th Annual International Conference, 2024 | | 2024 |
| Use of Waste Materials to Augment Lime’s Reactivity towards Flue Gas Desulfurization P Maina Proceedings of the Sustainable Research and Innovation Conference, 140-149, 2022 | | 2022 |
| Experimental Investigation of Energy Efficiency and Saving Opportunities for an Industrial Boiler in Process Industry: A Case Study of a Textile Manufacturing Industry in Kenya. IP Maina International Journal of Research and Innovation in Applied Science 7 (1), 23-30, 2022 | | 2022 |
