Volume 31, Issue 4, December 2012, Pages 21-28
10.30492/ijcce.2012.5916
Mahdi Kamali; Sayed Ali Akbar Ghorashi; Mohammad Ali Asadollahi,
Volume 28, Issue 1, March 2009, Pages 23-30
10.30492/ijcce.2009.6911
Sedigheh Vaezifar; Hossein Faghihian; Mahdi Kamali