Safana, Asmau, and Zainab Ahmed Yar'adua. 2026. “Physio-Chemical and Heavy Metals Assessment of River Challawa In Relation To Effluent Discharge in Kano, Nigeria”. FUDMA JOURNAL OF SCIENCES 10 (10): 231-39. https://doi.org/10.33003/fjs-2026-1010-5388.