N. Parvini Ahmadi, R.A. Khosroshahi and B. Baghal Asl
Asian Journal of Applied Sciences 2 ( 1 ): 74 - 82 , 2009
R.A. Khosroshahi, N.P. Ahmadi and S. Samadzadeh
Journal of Applied Sciences 8 ( 20 ): 3727 - 3732 , 2008