“Radon-222 Concentration and Health Implication in Borehole Water of Ngumari Costain, Jere, Local Government, Borno State”. Nigerian Journal of Physics 33, no. 3 (December 31, 2024): 134–141. Accessed April 26, 2025. https://njp.nipngr.org/index.php/njp/article/view/280.