Volume 9, Issue 23, August 2011, Pages 145-167
Ali Attafar; Elham Amri
Volume 9, Issue 24, January 2011, Pages 61-82
Hosein Azimi; Ali Atafar; Ali Shaemi Barzoki
Volume 7, Issue 19, August 2009, Pages 143-162
Ali Attafar; Somaye Mahmoodi