Volume 21, Issue 2, December 2002, Pages 74-79
10.30492/ijcce.2002.9557
Yousef Ghayeb; Bijan Najafi; Vahid Moeini; Gholam Abbas Parsafar
Volume 20, Issue 1, June 2001, Pages 37-43
10.30492/ijcce.2001.9984
Gholam Abbas Parsafar; Vahid Moeini; Bijan Najafi