AYANBOYE, A. O., et al. “EFFICIENCY OF RESOURCE-USE AND ELASTICITY OF PRODUCTION AMONG CATFISH FARMERS IN IBARAPA, OYO STATE, NIGERIA”. Nigerian Journal of Fisheries, vol. 18, no. 2, Dec. 2021, pp. 2263-8, https://fisonjournal.org.ng/index.php/njf/article/view/111.