Volume 14, Issue 2, March and April 2012, Pages 339-348
Gh. Peymanpour, K. Rezaei, B. Sorkhilalehloo, B. Pirayeshfar, G. Najafian, G. Najafian
Volume 12, Issue 2, March and April 2010, Pages 213-222
G. Najafian, G. Najafian, A. K. Kaffashi, A. Jafar-Nezhad