Volume 13, Issue 2, December 1994, Pages 97-103
10.30492/ijcce.1994.10923
Ali Asghar Ensafi; Javad Tajebakhsh-e-Ardakany
Volume 12, Issue 1, June 1993, Pages 39-44
10.30492/ijcce.1993.10933
Mojtaba Shamsipur; Ali Reza Fakhari