Volume 15, Issue 29, March 2011, Pages 43-72
10.22059/ier.2011.32722
Ebrahim Gorji; Masoomeh Alipourian
Volume 13, Issue 22, October 2008, Pages 31-40
10.22059/ier.2008.32664
Ebrahim Gorgi; Masoomeh Alipourian