| Effects of electric oven and solar dryer on a proximate and water activity of Clarias gariepinus fish NF Oparaku, BO Mgbenka European Journal of Scientific Research 81 (1), 139-144, 2012 | 73 | 2012 |
| An overview of water disinfection in developing countries and potentials of renewable energy CG Okpara, NF Oparaku, CN Ibeto J. Environ. Sci. Technol 4 (1), 18-30, 2011 | 47 | 2011 |
| Biodigestion of cassava peels blended with pig dung for methane generation NF Oparaku, AC Ofomatah, EC Okoroigwe African Journal of Biotechnology 12 (40), 2013 | 38 | 2013 |
| Production and evaluation of activated carbon from palm kernel shells (PKS) for economic and environmental sustainability EC Okoroigwe, AC Ofomatah, NF Oparaku, GO Unachukwu International Journal of Physical Sciences 8 (19), 1036-1041, 2013 | 28 | 2013 |
| Waste water disinfection utilizing Ultraviolet light. NF Oparaku, BO Mgbenka, CN Ibeto | 27 | 2011 |
| Effect of processing on the nutritional qualities of three fish species (Synodontis clarias, Trachurus trecae and Clarias gariepinus) NF Oparaku, FC Nwaka International Journal of Biology and Biological Sciences 2 (10), 143-149, 2013 | 17 | 2013 |
| Proximate and organoleptic characteristics of sun and solar dried fish NF Oparaku, BO Mgibenka, JE Eyo Animal Research International 7 (2), 1169-1175, 2010 | 17 | 2010 |
| Comparative study of renewable energy based water disinfection methods for developing countries CN Ibeto, NF Oparaku, CG Okpara Journal of Environmental Science and Technology 3 (4), 226-231, 2010 | 16 | 2010 |
| The effect of physicochemical parameters on the abundance of zooplankton of River Adada, Enugu, Nigeria NF Oparaku, FA Andong, IA Nnachi, ES Okwuonu, JC Ezeukwu, JC Ndefo Journal of Freshwater Ecology 37 (1), 33-56, 2022 | 10 | 2022 |
| Comparative study of sun and solar cabinet fish dryer of three freshwater fish NF Oparaku Continental Journal Fisheries and Aquatic Sciences 4, 8-16, 2010 | 10 | 2010 |
| Characterization And Performance Evaluation of 11m3 Biogas Plant Constructed At National Center For Energy Research And Development, University of Nigeria, Nsukka. Continental IS Eze, AU Ofoefule, EOU Uzodinma, EC Okoroigwe, NF Oparaku, JI Eze, ... J. Renewable Energy, 2011 | 9 | 2011 |
| Climate Change, Agriculture and food security MN Igwebuike, FC Odoh, CI Ezeugwu, NF Oparaku, OU Oparaku RNC Anyadike, IA Madu and CK Ajaero, Conference Proceedings on Climate …, 2010 | 9 | 2010 |
| Alcohol fuel from biomass: challenges of implementation in Nigeria. NF Oparaku | 8 | 2010 |
| Design, Construction and Performance evaluation of Solar Cabinet Dryer with auxiliary heater NF Oparaku, GO Unachukwu, CE Okeke Nig. J. Solar Energy 14, 41-50, 2003 | 8 | 2003 |
| Studies on drying rates of brined and spiced Clarias gariepinus (Catfish) using solar dryer N Oparaku, O Ojike International Journal of Physical Sciences 8 (30), 1551-7, 2013 | 7 | 2013 |
| Evaluation of different biological waste for use in plankton productions NF Oparaku Agriculture and biology journal of North America 4 (5), 527-531, 2013 | 3 | 2013 |
| Feasibility and technical studies of two water recirculating systems using two different power sources, solar photovoltaic and fuel generator NF Oparaku, CE Nnaji International journal of physical sciences 8 (43), 2000-2010, 2013 | 3 | 2013 |
| Optimization of biogas production from farmland and animal wastes EO Uzodinma, NF Oparaku, MI Ezeh International Journal of Physical Sciences 2 (1), 1-6, 2014 | 2 | 2014 |
| Bioderadation of Agricultural Waste and Pig Dung in Anaerobic Digester NF Oparaku, AC Oformata International Journal of Physical Sciences 1 (4), 062-068, 2013 | 2 | 2013 |
| Co-infections of Malaria and Hepatitis B among Pregnant Women in Igbo-Eze North LGA of Enugu State, Nigeria. NF Oparaku, ES Okwuonu, CM Eze, UA Ubaka, NE Ezenwaji, FA Andong, ... Nigerian Journal of Parasitology 45 (1), 2024 | | 2024 |
