Y.M. AlMurtadha, Md. N.B. Sulaiman, N. Mustapha and N.I. Udzir
Information Technology Journal 9 ( 4 ): 790 - 796 , 2010
N. Jamil, R. Mahmod, M.R. Z`aba, N.I. Udzir and Z.A. Zukarnain
Journal of Applied Sciences 13 ( 5 ): 673 - 682 , 2013