S.I. Manuwa and B.O. Malumi
Agricultural Journal 2 ( 2 ): 254 - 257 , 2007
S.I. Manuwa
Journal of Engineering and Applied Sciences 2 ( 2 ): 407 - 411 , 2007
S.I. Manuwa and L.A. Afolabi
Research Journal of Applied Sciences 2 ( 4 ): 489 - 493 , 2007