Volume 26, Issue 3, September 2007, Pages 73-80
10.30492/ijcce.2007.7633
Mohammad Nader Lotfollahi; Hamid Modarress; Behzad Khodakarami
Volume 17, Issue 2, December 1998, Pages 81-88
10.30492/ijcce.1998.10303
Mohsen Mohsen Nia; Hamid Modarres; Gholam Ali Mansoori