| Radiation Hazard Indices and Excess Lifetime cancer risk in soil, sediment and water around mini-okoro/oginigba creek, Port Harcourt, Rivers State, Nigeria GO Avwiri, CP Ononugbo, IE Nwokeoji Comprehensive Journal of Environment and Earth Sciences 3 (1), 38-50, 2014 | 84 | 2014 |
| Investigation into the physico-chemical properties and hydrochemical processes of groundwater from commercial boreholes In Yenagoa, Bayelsa State, Nigeria OE Agbalagba, OH Agbalagba, CP Ononugbo, AA Alao African Journal of Environmental Science and Technology 5 (7), 473-481, 2011 | 61 | 2011 |
| Activity concentration and radiological impact assessment of 226Ra, 228Ra and 40K in drinking waters from (OML) 30, 58 and 61 oil fields and host communities in Niger Delta … EO Agbalagba, GO Avwiri, CP Ononugbo Journal of environmental radioactivity 116, 197-200, 2013 | 38 | 2013 |
| Natural radioactivity levels in surface soil of Ogba/Egbema/Ndoni oil and gas fields GO Avwiri, CP Ononugbo Energy Science and Technology 4 (2), 92-101, 2012 | 34 | 2012 |
| GIS mapping of impact of industrial activities on the terrestrial background ionizing radiation levels of Ughelli metropolis and its environs, Nigeria OE Agbalagba, GO Avwiri, CP Ononugbo Environmental Earth Sciences 75, 1-10, 2016 | 33 | 2016 |
| Gross alpha and gross beta activity concentrations and committed effective dose due to intake of water in solid mineral producing areas of Enugu State, Nigeria GO Avwiri, JC Osimobi, CP Ononugbo International Journal of Physics and Applications 8 (1), 33-43, 2016 | 29 | 2016 |
| Radiometric assay of hazard indices and excess lifetime cancer risk due to natural radioactivity in soil profile in Ogba/Egbema/Ndoni local government area of rivers state, Nigeria GO Avwiri, JM Egieya, CP Ononugbo Academic Research International 4 (5), 54-65, 2013 | 28 | 2013 |
| Radiometric survey of Aluu landfill in Rivers state, Nigeria GO Avwiri, JM Egieya, CP Ononugbo Advances in Physics Theories and Applications 22, 24-30, 2013 | 27 | 2013 |
| Uptake and distribution of natural radionuclides in cassava crops from Nigerian government farms CP Ononugbo, O Azikiwe, GO Avwiri Journal of Scientific Research and Reports 23 (5), 1-15, 2019 | 25 | 2019 |
| Estimation of indoor and outdoor effective doses from gamma dose rates of residential building in Emelogu village in rivers state, Nigeria CP Ononugbo, GO Avwiri, G Tutumeni International Research Journal of Pure and Applied Physics 3 (2), 18-27, 2015 | 23 | 2015 |
| Evaluation of natural radionuclide content in surface and ground water and excess lifetime cancer risk due to gamma radioactivity CP Ononugbo, GO Avwiri, JM Egieya Academic Research International 4 (6), 636, 2013 | 21 | 2013 |
| Impact of gas exploitation on the environmental radioactivity of Ogba/Egbema/Ndoni Area, Nigeria CP Ononugbo, GO Avwiri, YE Chad-Umoren Energy & environment 22 (8), 1017-1027, 2011 | 21 | 2011 |
| Dose rate and annual effective dose assessment of terrestrial gamma radiation in Notre fertilizer plant, Onne, Rivers State, Nigeria CP Ononugbo, CJ Mgbemere International Journal of Emerging Research in Management and Technology 5 (9 …, 2016 | 20 | 2016 |
| Radionuclide transfer factors of staple foods and its health risks in Niger Delta Region of Nigeria GO Avwiri, CP Ononugbo, JM Olasoji Int J Innov Environ Stud Res 9 (1), 21-32, 2021 | 19 | 2021 |
| Evaluation of naturally occurring radioactivity materials (NORM) of soil and sediments in oil and gas wells in western Niger Delta Region of Nigeria EO Agbalagba, GO Avwiri, CP Ononugbo Environmental earth sciences 70, 2613-2622, 2013 | 18 | 2013 |
| Radiological health risk due to gamma dose rates around Okposi Okwu and Uburu salt lakes, Ebonyi State GO Avwiri, BU Nwaka, CP Ononugbo International Journal of Emerging Research in Management and Technology 5 (9 …, 2016 | 17 | 2016 |
| Estimation of naturl radioactivity levels in some food spices commonly used in Nigeria and its radiological risks CP Ononugbo, GO Avwiri, SO Ikhuiwu Journal of Scientific Research and Reports 16 (3), 1-9, 2017 | 16 | 2017 |
| Measurement of natural radioactivity and evaluation of radiation hazards in soil of Abua/Odual districts using multivariable statistical approach CP Ononugbo, GO Avwiri, G Tutumeni British Journal of Environmental Sciences 4 (1), 35-48, 2016 | 15 | 2016 |
| Radioactive pollution and excess lifetime cancer risk due to gamma exposure of soil and groundwater around open landfills in River State Nigeria CP Ononugbo, GO Avwiri, EO Agbalagba Canadian J Pure Appl Sci 11 (1), 4121-4130, 2017 | 13 | 2017 |
| Natural radioactivity measurement and evaluation of radiological hazards in sediment of Imo River, in rivers state, Nigeria by gamma ray spectrometry CP Ononugbo, GO Avwiri, CA Ogan Journal of Applied Physics 3 (1), 75-83, 2016 | 13 | 2016 |
