Catherine, E. C. ., Danmama, A. A. ., Emeka, A. ., Ngozi, F. ., Emeka, N. K. ., & Michael, O. R. . (2021). Assessment of surface water quality of Onuiyieke river in Imo State, Nigeria. GSC Biological and Pharmaceutical Sciences, 16(3), 071–084. https://doi.org/10.30574/gscbps.2021.16.3.0264