J.O. Nordiana, S.O. Ogbeide, N.N. Ehigiamusoe and F.I. Anyasi
Journal of Engineering and Applied Sciences 2 ( 12 ): 1743 - 1747 , 2007
N.N. Ehigiamusoe, S.O. Jimoh, J.O. Nordiana, J.O. Igbinoba and U.B. Ehigiamusoe
Journal of Engineering and Applied Sciences 3 ( 3 ): 282 - 289 , 2008