NWAKANMA, A, and C. KANU. “ASSESSMENT OF HEAVY METALS IN NKOHO RIVER RECEIVING PAINT EFFLUENT, ABIA STATE, NIGERIA”. Nigerian Journal of Fisheries, vol. 14, no. 1_2, June 2017, pp. 1225-34, https://fisonjournal.org.ng/index.php/njf/article/view/197.