Okoye, B.C; Onyenweaku, C.E and Asumugha, G.N (2006): Allocative Efficiency of Small-Holder Cocoyam Farmers in Anambra State, Nigeria. Published in: Agricultural Journal , Vol. 4, No. 38 (2007): pp. 70-81.
Asumugha, G.N; Njoku, M.E; Okoye, B.C; Aniedu, O.C; Ogbonna, M.C; Anyaegbunam, H.N; Akinpelu, A.O and Ibeagi, O.O (2007): An Analysis of the Supply for Seed Yams in Nigeria. Published in: Academic Journals , Vol. 3, No. 1 (January 2009): pp. 28-31.
Okoye, B.C; Asumugha, G.N and Mbanaso, E.N.A (2006): Cost Return Analysis of Cocoyam Production at NRCRI, Umudike. Published in: Agricultural Society of Nigeria No. 41 (2007): pp. 511-513.
Okoye, B.C; Okoye, A.C; Asumugha, G.N; Dimelu, M.U; Agwu, A.E and Agbaeze, C.C (2008): Determinants of Gender Productivity among Small- Holder Cocoyam Farmers’ in Nsukka Agricultural Zone of Enugu State, Nigeria. Forthcoming in: Nigerian Journal of Rural Sociology , Vol. 9, No. 1
Okoye, B.C; Asumugha, G.N; Okezie, C.A; Tanko, L and Onyenweaku, C.E (2006): Econometric Assessment of the Trend in Cocoyam Production in Nigeria, 1960/61-2003/2006. Published in: Agricultural Journal , Vol. 3, No. 2 (2008): pp. 99-101.
Okoye, B.C; 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.
Okoye, B.C; Agbaeze, C.C; Asumugha, G.N; Aniedu, O.C and Mbanaso, E.N.A (2009): Small is Beautiful: Empirical Evidence of an Inverse Relationship between Farm Size and Productive Efficiency in Small-Holder Cassava Production in Ideato North LGA of Imo State. Unpublished.
Okoye, B.C; Onyenweaku, C.E and Asumugha, G.N (2007): Technical Efficiency of Small Holder Cocoyam Production in Anambra State,Nigeria: A Cobb-Douglas Stochastic Frontier Production Approach. Published in: Nigerian Journal of Agricultural Research and Policies , Vol. 2, No. 2 (2007): pp. 27-31.
