| Estimation of annual effective dose due to natural radioactive elements in ingestion of foodstuffs in tin mining area of Jos-Plateau, Nigeria NN Jibiri, IP Farai, SK Alausa Journal of environmental radioactivity 94 (1), 31-40, 2007 | 241 | 2007 |
| Activity concentrations of 226Ra, 228Th, and 40K in different food crops from a high background radiation area in Bitsichi, Jos Plateau, Nigeria NN Jibiri, IP Farai, SK Alausa Radiation and environmental biophysics 46, 53-59, 2007 | 160 | 2007 |
| Baseline studies of terrestrial outdoor gamma dose rate levels in Nigeria IP Farai, NN Jibiri Radiation Protection Dosimetry 88 (3), 247-254, 2000 | 132 | 2000 |
| Population dose distribution due to soil radioactivity concentration levels in 18 cities across Nigeria RI Obed, IP Farai, NN Jibiri Journal of Radiological Protection 25 (3), 305, 2005 | 123 | 2005 |
| Dose rate assessment of terrestrial gamma radiation in the Delta region of Nigeria AM Arogunjo, IP Farai, IA Fuwape Radiation Protection Dosimetry 108 (1), 73-77, 2004 | 97 | 2004 |
| Radium equivalent activity concentrations in concrete building blocks in eight cities in Southwestern Nigeria IP Farai, JA Ademola Journal of Environmental Radioactivity 79 (2), 119-125, 2005 | 93 | 2005 |
| Out-door radiation level measurement in Abeokuta, Nigeria, by thermoluminescent dosimetry IP Farai, UE Vincent Nigerian Journal of Physics 18 (1), 121-126, 2006 | 75 | 2006 |
| Impact of oil and gas industry to the natural radioactivity distribution in the delta region of Nigeria MA Arogunjo, IP Farai, IA Fuwape Nigerian Journal of Physics 16, 131-136, 2004 | 59 | 2004 |
| Assessment of dose rate and collective effective dose equivalent due to terrestrial gamma radiation in the city of Lagos, Nigeria NN Jibiri, IP Farai Radiation Protection Dosimetry 76 (3), 191-194, 1998 | 50 | 1998 |
| Radiological hazard indices due to activity concentrations of natural radionuclides in farm soils from two high background radiation areas in Nigeria NN Jibiri, SK Alausa, IP Farai International Journal of low radiation 6 (2), 79-95, 2009 | 49 | 2009 |
| Assessment of external and internal doses due to farming in high background radiation areas in old tin mining localities in Jos-plateau, Nigeria NN Jibiri, SK Alausa, IP Farai Radioprotection 44 (2), 139-151, 2009 | 45 | 2009 |
| Gamma activity and radiation dose in concrete building blocks used for construction of dwellings in Jos, Nigeria JA Ademola, IP Farai Radiation protection dosimetry 121 (4), 395-398, 2006 | 41 | 2006 |
| Annual effective dose due to natural radionuclides in building blocks in eight cities of southwestern Nigeria JA Ademola, IP Farai Radiation protection dosimetry 114 (4), 524-526, 2005 | 39 | 2005 |
| Soil radioactivity and incidence of cancer in Nigeria IP Farai, RI Obed, NN Jibiri Journal of Environmental Radioactivity 90 (1), 29-36, 2006 | 36 | 2006 |
| Natural radionuclide concentrations and radiological impact assessment of river sediments of the coastal areas of Nigeria OM Oni, IP Farai, AO Awodugba Journal of Environmental Protection 2 (4), 418-423, 2011 | 34 | 2011 |
| Methodology of basic and applied research AI Olayinka, VO Taiwo, A Raji-Oyelade, IP Farai The Postgraduate School University of Ibadan, 2006 | 33 | 2006 |
| 222Rn in groundwater in Nigeria: a survey IP Farai, AO Sanni Health physics 62 (1), 96-98, 1992 | 30 | 1992 |
| Year-long variability of Rn-222 in a groundwater system in Nigeria IP Farai, AO Sanni Journal of African Earth Sciences (and the Middle East) 15 (3-4), 399-403, 1992 | 28 | 1992 |
| Radiological safety assessment of surface-water dam sediments used as building material in southwestern Nigeria IP Farai, MO Isinkaye Journal of Radiological Protection 29 (1), 85, 2009 | 24 | 2009 |
| Survey of dose area product received by patients undergoing common radiological examinations in four centers in Nigeria BI Akinlade, IP Farai, AA Okunade Journal of applied clinical medical physics 13 (4), 188-196, 2012 | 22 | 2012 |
