Okpogo, Emele Uduma, and Petra Ebisan Wilkie. 2018. “Delineation of Leachate Plume Migration by Electrical Resistivity Methods Ile Epo Dumpsite, Lagos, Southwestern Nigeria”. Iraqi Journal of Science 59 (3C): 1614-25. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/452.