S.E. Agarry, E. Betiku and B.O. Solomon
Journal of Engineering and Applied Sciences 2 ( 6 ): 1020 - 1026 , 2007
S.E. Agarry, R.O. Yusuf and C.N. Owabor
Journal of Engineering and Applied Sciences 3 ( 2 ): 190 - 198 , 2008