Khodabakhsh Ahmadi, Esfandiar Azad-Marzabadi, Seyed Mahdi Nabipoor Ashrafi and Fateme Raiisi
Journal of Applied Sciences 7 ( 24 ): 3958 - 3964 , 2007
Khodabakhsh Ahmadi, Esfandiar Azad-Marzabadi and Seyed Mahdi Nabipoor Ashrafi
Journal of Social Sciences 4 ( 2 ): 103 - 110 , 2008