Zeyad M. Alfawaer, GuiWei Hua and Noraziah Ahmed
American Journal of Applied Sciences 4 ( 5 ): 333 - 338 , 2007
Saleem Al-Zoubi, Zeyad M. Alfawaer and Mohammad Al-Zoubi
Journal of Computer Science 4 ( 11 ): 916 - 921 , 2008