V.A. Okwoche, C.P.O. Obinne and A.E. Otijele
Agricultural Journal 7 ( 1 ): 65 - 69 , 2012
V.A. Okwoche, A.I. Age and F.O. Alegwu
Agricultural Journal 7 ( 5 ): 365 - 369 , 2012
The Social Sciences 8 ( 1 ): 13 - 18 , 2013
V.A. Okwoche, B.C. Asogwa and D.T. Waya
The Social Sciences 8 ( 5 ): 393 - 397 , 2013