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Okoye, B.C and Onyenweaku, C.E and Asumugha, G.N (2007): Economic Efficiency of Small-Holder Cocoyam Farmers in Anambra State, Nigeria: A Translog Stochastic Frontier Cost Function Approach. Published in: Agricultural Journal (Medwell Online) , Vol. 2, No. 4 (2007): pp. 535-541.
