| Optimum conditions for microbial carbonate precipitation GDO Okwadha, J Li Chemosphere 81 (9), 1143-1148, 2010 | 481 | 2010 |
| Biocontainment of polychlorinated biphenyls (PCBs) on flat concrete surfaces by microbial carbonate precipitation GDO Okwadha, J Li Journal of environmental management 92 (10), 2860-2864, 2011 | 52 | 2011 |
| Evaluation of water hyacinth extract as an admixture in concrete production GDO Okwadha, DM Makomele Journal of Building Engineering 16, 129-133, 2018 | 29 | 2018 |
| Thermal removal of mercury in spent powdered activated carbon from Toxecon process GDO Okwadha, J Li, B Ramme, D Kollakowsky, D Michaud Journal of Environmental Engineering 135 (10), 1032-1040, 2009 | 19 | 2009 |
| Partial replacement of cement by plant solid waste ash in concrete production GDO Okwadha IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) 13 (5 (3)), 35-40, 2016 | 10 | 2016 |
| Groundwater Quality Assessment and Water Quality Indexing: Case Study of Makueni County, Eastern Kenya SK Ng'ang'a, PM Kibetu, GM Thumbi, GDO Okwadha, MO Nyadawa Journal of International Academic Research for Multidisciplinary 6 (2), 77-91, 2018 | 6 | 2018 |
| Reduction of Iron And Manganese in Groundwater through Non-Mechanical Aeration and Filtration Method: Case Study of Makueni County, Eastern Kenya SK Ng’anga, PM Kibetu, GM Thumbi, GO Okwadha, MO Nyadawa Journal of International Academic Research for Disciplinary 5 (6), 25-37, 2017 | 4 | 2017 |
| Partial replacement of river sand with volcanic pyroclastics as fine aggregates in concrete production GDO Okwadha and KJ Ngengi IOSR Journal of Mechanical and Civil Engineering (IOSR-JMCE) 13 (5 (3)), 41-45, 2016 | 4* | 2016 |
| Effectiveness of rice husk ash in stabilizing Kenyan red coffee soil for road subgrades construction GDO Okwadha, PW Nyingi International Journal of Environmental Science and Technology 13 (11), 2731-2734, 2016 | 4 | 2016 |
| Groundwater Mapping of Makueni County, Eastern Kenya using remote sensing and Geographical Information System (Gis) Technologies SK Ng’anga, PM Kibetu, GM Thumbi, GO Okwadha, MO Nyadawa Journal of International Academic Research for Disciplinary 3 (8), 266-277, 2015 | 4 | 2015 |
| Determination of effectiveness of traditional drinking water treatment methods GDO Okwadha, AA Ahmed International J. of Advanced Engineering Research & Aplications 2 (10), 592-604, 2017 | 3 | 2017 |
| Evaluation of surface water runoff from fly ash–stabilized and nonstabilized soil surfaces FJ Dombrowski, BW Ramme, GDO Okwadha, D Kollakowsky Journal of Environmental Engineering 136 (9), 939-951, 2010 | 3 | 2010 |
| Biocontainment of PCBs on Flat Concrete Surfaces, and Coprecipitation of PCBs and Metals in Boiler Chemical Cleaning Wastewater by Microbial Carbonate Precipitation GDO Okwadha University of Wisconsin-Milwaukee, Dissertation, 2010 | 1 | 2010 |
| Bivariate Dependence Analysis of MonthlyRainfall Extremes using Copula Models Case study: Ngong River Basin in Nairobi B Juma, MA Hassan, GDO Okwadha, L Sitoki, N Muli, S Chasia, ... Journal of Water Resource and Protection, 2019 | | 2019 |
| PDG 1: Pavement Design Guidelines for Low Volume Sealed Roads (Review) HUDP A Ministry of Transport, Infrastructure | | 2017 |
| Coal Combustion Utilization Handbook, 3rd Edition (Review) B Ramme, M Tharaniyil http://www.we-energies.com/environmental/recycle_coalash.htm, 2013 | | 2013 |
| Thermal removal of mercury in spent powdered activated carbon from Toxecon process GDO Okwadha University of Wisconsin, Milwaukee. Thesis, 2006 | | 2006 |
| GROUNDWATER QUALITY ASSESSMENT AND WATER QUALITY INDEXING: CASE STUDY OF MAKUENI COUNTY, EASTERN KENYA NG’ANGA, SK KIBETU, PM GM THUMBI, GO OKWADHA, MO NYADAWA | | |
