Gemanam SJ, Egwuchi BO, Sombo T, Agba EH, Daniel T. MEASUREMENT OF GAMMA RADIATION EMISSION FROM NATURALLY OCCURRING RADIOACTIVE SAMPLES OF USHONGO GEOLOGICAL ROCKS, NORTH CENTRAL NIGERIA. NJP [Internet]. 2022 Dec. 30 [cited 2024 Sep. 19];31(2):47-51. Available from: https://njp.nipngr.org/index.php/njp/article/view/58