U., R., I., U., H. A., A., A. Z., N. and H. O., A. 2019. Radiometric Evaluation of Naturally Occurring Radionuclides in Mining Sites across Mararraba-Udege of Nasarawa State, Nigeria. Physics Memoir - Journal of Theoretical & Applied Physics. 1, 4 (Dec. 2019), 161–170.