Chikaike, Eugene, Briggs Kamara, and Tamunobereton Ari. “DETERMINATION OF TERRESTRIAL RADIATION LEVEL OF OBITE, RIVERS STATE”. Journal of Physical Sciences 4, no. 1 (July 12, 2022): 99–117. Accessed May 12, 2024. https://carijournals.org/journals/index.php/JPS/article/view/923.