Journal Article
Chigor, Vincent N, Veronica J Umoh, Charles A Okuofu, Joseph B Ameh, Etinosa O Igbinosa, and Anthony I Okoh.
"Water quality assessment: surface water sources used for drinking and irrigation in Zaria, Nigeria are a public health hazard." Environmental monitoring and assessment 184, no. 5 (2012): 3389-3400.