CHUKWU, K. O, and E.J. ANSA. “LENGTH-WEIGHT RELATIONSHIP AND CONDITION FACTOR OF Bostrychus Africanus FROM NEW CALABAR RIVER, NIGERIA”. Nigerian Journal of Fisheries, vol. 16, no. 1, June 2019, pp. 1584-90, https://fisonjournal.org.ng/index.php/njf/article/view/143.