H. Cheghib, K.M. Behim, A. Benretem and S. Saad
Journal of Engineering and Applied Sciences 2 ( 1 ): 214 - 218 , 2007
A. Benretem, A. Haddouche, H. Cheghib and S. Saad
Journal of Engineering and Applied Sciences 2 ( 1 ): 244 - 247 , 2007