IMADE, O., and E. ODUM. “COST EFFICIENCY OF CATFISH (CLARIAS GARIEPINUS) PRODUCTION UNDER VARIOUS SYSTEMS IN DELTA STATE, NIGERIA”. Journal of Agribusiness and Rural Development, Vol. 71, no. 1, Apr. 2024, pp. 35–43, doi:10.17306/J.JARD.2024.01726.