Volume 8, Issue 1, May 1997, Pages 39-46
10.22093/wwj.1997.174007
Hamid Reza Mortaheb
Volume 7, Issue 3, November 1996, Pages 36-41
10.22093/wwj.1996.173977
Volume 4, Issue 2, February 1994, Pages 35-40
10.22093/wwj.1994.173544
Hamid Reza Mortaheb; Fazl Allah Farhadi