Ndubueze, Doris N., and M. U. Igboekwe. “Investigation of Aquifer Vulnerability under Some Protective Measures in Ehime Mbano, South-Eastern Nigeria for Sustainable Groundwater Development”. Nigerian Journal of Physics 33, no. S (June 30, 2024): 126–133. Accessed September 19, 2024. https://njp.nipngr.org/index.php/njp/article/view/252.