Ayaakaa, Dalton T., T. Sombo, and E. U. Utah. “Assessment of Radioactivity of Some Surface Soils in Gboko Local Government Area of Benue State and Health Implications, North Central Nigeria”. Asian Journal of Engineering and Technology 4, no. 4 (August 15, 2016). Accessed December 1, 2022. https://www.ajouronline.com/index.php/AJET/article/view/3770.