Ali Elshafei and H.T. El-Zanfaly
Asian Journal of Applied Sciences 4 ( 6 ): 585 - 595 , 2011
Forar Laidi Rabah, Ali Elshafei, Mahmoud Saker, Bengraa Cheikh and Hacene Hocine
Biotechnology 6 ( 4 ): 489 - 496 , 2007