EKWU, A. O., E. E OTI, and G.N. UDEH. 2013. “EFFECT OF ZINC ON THE DISTRIBUTION OF MAJOR CATIONS AND ANIONS IN Clarias Gariepinus FROM EBONYI RIVER, SOUTHEAST NIGERIA”. Nigerian Journal of Fisheries 10 (1_2):599-605. https://fisonjournal.org.ng/index.php/njf/article/view/237.