Aliyu, U.S., Hamza, A.M., Geidam, I.G. and Usman, A.M. 2019. Radiometric Evaluation of Radionuclides in Some Selected Mining Sites across Azara Development Area of Nasarawa State, Nigeria. Journal of Science and Mathematics Letters. 8, 1 (Dec. 2019), 27–36. DOI:https://doi.org/10.37134/jsml.vol8.1.4.2020.