O. Helal, B. Chaouachi, S. Gabsi and C. Bouden
American Journal of Engineering and Applied Sciences 3 ( 1 ): 152 - 158 , 2010
N. Dammak, B. Chaouachi, S. Gabsi and M. Bourouis
American Journal of Engineering and Applied Sciences 3 ( 4 ): 693 - 698 , 2010
A. Benhmidene, B. Chaouachi and S. Gabsi
Journal of Applied Sciences 10 ( 16 ): 1806 - 1813 , 2010