Agricultural Journal 1 ( 4 ): 258 - 261 , 2006
A.U. Ofuoku, B.I. Isife and G.N. Emah
Journal of Engineering and Applied Sciences 2 ( 1 ): 10 - 16 , 2007
K. Okunomo, B.O. Bosah, A.U. Ofuoku and J.N. Okunomo
Research Journal of Biological Sciences 2 ( 1 ): 45 - 50 , 2007