Olatunji, J., M. Arowolo, et A. Sodipo. Application of Natural Radionuclide in the Subsurface Hydrogeology of Selected Two Local Governments in South Western Nigeria. East African Journal of Engineering, Vol. 2, nᵒ 1, June 2020, p. 14-22, doi:10.37284/eaje.2.1.148.