Ndubueze, D.N. and Igboekwe, M.U. 2024. Investigation of Aquifer Vulnerability under some Protective Measures in Ehime Mbano, South-Eastern Nigeria for Sustainable Groundwater Development. Nigerian Journal of Physics. 33, S (Jun. 2024), 126–133. DOI:https://doi.org/10.62292/njp.v33(s).2024.252.