Volume 18, Issue 1, June 1999, Pages 12-18
10.30492/ijcce.1999.10467
Ali Akbar Khandar; Masoumeh Khatamian
Volume 18, Issue 1, June 1999, Pages 19-23
10.30492/ijcce.1999.10468
Ali Akbar Khandar; Z. Rezvani