Volume 23, Issue 1, April 2004, Pages 89-96
10.30492/ijcce.2004.8165
Parissa Khadiv Parsi; Mohammad Ali Moosavian
Volume 12, Issue 2, December 1993, Pages 85-90
10.30492/ijcce.1993.10400
Abdol Hossein Jahanmiri; Akbar Eghbalpoor