Volume 19, Issue 1, January 2015, Pages 91-106
10.22059/ier.2015.55164
Mohammad Hossien Pourkazemi; Mohammad Naser Sherafat; Zahra Delfan Azari
Volume 17, Issue 3, September 2013, Pages 139-159
10.22059/ier.2013.73502
Mohammad Hossein Pourkazeni; Roya Aghaeifar