Ali Tavakoli Golpaygani, Siamak Najarian and Goldis Darb Emamieh
American Journal of Applied Sciences 4 ( 10 ): 815 - 820 , 2007
Roozbeh Khodambashi, Siamak Najarian, Ali Tavakoli Golpaygani, Alireza Keshtgar and Shahla Torabi
American Journal of Applied Sciences 5 ( 6 ): 633 - 638 , 2008
Sayyed Mohsen Hosseini, Siamak Najarian, Samira Motaghinasab, Ali Tavakoli Golpaygani and Shahla Torabi
American Journal of Applied Sciences 5 ( 5 ): 483 - 489 , 2008
Goldis Darb Emamieh, Ahmad Ameri, Siamak Najarian and Ali Tavakoli Golpaygani
American Journal of Applied Sciences 5 ( 2 ): 122 - 128 , 2008
Ali Tavakoli Golpaygani, Siamak Najarian, M. Mehdi Movahedi and Goldis Darb Emamieh
American Journal of Applied Sciences 5 ( 2 ): 129 - 135 , 2008