Ayaakaa, D. T., T. Sombo, and E. U. Utah. “Assessment of Radioactivity and Health Implications of Some Surface Soils in Guma Local Government Area of Benue State, North Central, Nigeria”. Asian Journal of Engineering and Technology 4, no. 5 (October 21, 2016). Accessed November 30, 2021. https://ajouronline.com/index.php/AJET/article/view/3327.