OLUFEAGBA, S. O, S. E ALADELE, V. T OKOMODA, A.U OKERE, O. T ODUOYE, and T. HASSAN. 2015. “MORPHOLOGICAL VARIATIONS OF CULTURED AND WILD Oreochromis Niloticus FROM IBADAN AND KAINJI IN NIGERIAB”. Nigerian Journal of Fisheries 12 (1):828-36. https://fisonjournal.org.ng/index.php/njf/article/view/240.