Chika Agaba K, Nnameka Uhuo E, F Ekpendu C. Bacterio-Chemical Assessment of Hand-Dug Wells in New Haven, Enugu State Nigeria. IJSBAR. 2019;44(2):87-93. Accessed December 18, 2025. https://gssrr.org/JournalOfBasicAndApplied/article/view/9220