Sani, Yusuf, Ayuni Ngo Killian, Ali Usman, and Samuel Sale. “ Geophysical Investigation of Groundwater Potential Using Vertical Electrical Sounding at a West African Location ”. International Research Journal of Advanced Science 1, no. 1 (October 24, 2020): 7-12. Accessed October 1, 2022. https://irjas.com/index.php/sciencejournal/article/view/16.