Akaagerger, N. B., D. K. Kaki, M. S. Shiada, and E. A. Akpenwuan. 2024. “Assessment of Radon Gas in Some Selected Areas in Makurdi Metropolis”. Nigerian Journal of Physics 32 (2):141-50. https://njp.nipngr.org/index.php/njp/article/view/189.