Kelechukwu, J. O., Nkwocha, E. E., and Anyanwu, J. C. 2024. “ASSESSMENT OF GROUND AND SURFACE WATER QUALITY IN SOME SUB-URBAN AREAS OF OWERRI, IMO STATE”. African Journal of Environment and Sustainable Development 2 (1): 23-43. https://www.openjournals.ijaar.org/index.php/ajesd/article/view/395.