Nakale, J. A., Ayua, K. J., Uloko, F. O. and Haruna , B. S. (2023) “Determination of Radon Concentration in Selected Groundwater Sources in Obajana, Kogi State”, Nigerian Journal of Physics, 32(1), pp. 40–49. Available at: https://njp.nipngr.org/index.php/njp/article/view/22 (Accessed: 19 September 2024).