Aruwa, A., Kassimu, A.A., Gyuk, P.M., Ahmadu, B. and Aniegbu, J.O. 2017. STUDIES ON RADON CONCENTRATION IN UNDERGROUND WATER OF IDAH, NIGERIA. International Journal of Research -GRANTHAALAYAH. 5, 9 (Sep. 2017), 266–274. DOI:https://doi.org/10.29121/granthaalayah.v5.i9.2017.2242.