Volume 23, Issue 1, January 2019, Pages 47-62
10.22059/ier.2018.69098
Elham Vafaei; Parviz Mohammadzadeh; Hossein Asgharpur
Volume 10, Issue 12, January 2005, Pages 85-102
10.22059/ier.2005.30935
Vahid Mahmoudi