S.U.O. Onyeagocha, N.C. Ehirim, C.A. Emenyonu, C.S. Onyemauwa, F.O. Nwosu, D.O. Ohajianya, C.C. Eze, G.A. Anyanwu, N.N.O. Oguoma and B.O. Esonu
Agricultural Journal 5 ( 2 ): 37 - 44 , 2010
Journal of Economics Theory 3 ( 3 ): 33 - 40 , 2009
Journal of Economics Theory 3 ( 4 ): 63 - 70 , 2009
I.N. Chigbundu, S.A. Dialoke, J.O. Ajaero, F.O. Nwosu and I.I. Ibeawuchi
Journal of Plant Sciences 2 ( 4 ): 465 - 469 , 2007