Fourar Ali, Kettab Ahmed, Lahbari Noureddine and Kadid Abdelkrim
Asian Journal of Information Technology 6 ( 3 ): 402 - 410 , 2007
Fourar Ali, Lahbari Noureddine, Kadid Abdelkrim and Kettab Ahmed
Journal of Engineering and Applied Sciences 2 ( 4 ): 686 - 693 , 2007