Volume 27, Issue 2, May and June 2008, Pages 13-22
10.30492/ijcce.2008.6926
Ali Dashti; Ahmad Ramazani S.A.
Volume 25, Issue 4, November and December 2006, Pages 25-35
10.30492/ijcce.2006.7924
Karamatollah Rezaei; Feral Temelli