Sowole O, Egunjobi KA. Radioactivity Assessment of 40K, 238U and 232Th in Surface Soil Samples of Igbokoda, Southwest of Nigeria. Tanz. J. Sci. [Internet]. 2021 Mar. 8 [cited 2025 Jul. 3];45(3):307-14. Available from: http://tjs.udsm.ac.tz/index.php/tjs/article/view/198