Edeh, U. W., Udensi, E. E., Salako, K. A., and Adetona, A. A. “Investigation of Groundwater Potential Using Electrical Resistivity Method, in Iddo Community Grammar School, Iddo-Okpella, Edo State”. International Journal of Science for Global Sustainability, vol. 5, no. 1, Sept. 2019, p. 14, https://fugus-ijsgs.com.ng/index.php/ijsgs/article/view/160.