Usman Sani, Muhammad, B. G., Joseph, D. S. and Joseph, D. Z. (2020) “EVALUATION OF OCCUPATIONAL RADIATION EXPOSURE IN A RADIO-DIAGNOSTIC FACILITY IN KATSINA- NIGERIA”, FUDMA JOURNAL OF SCIENCES, 4(2), pp. 722 - 729. doi: 10.33003/fjs-2020-0402-406.