Volume 45, Issue 2, December 2013, Pages 65-72
10.22060/ceej.2014.311
Vahid Masoumifard; Seyed mohammad reza Imam; Rozbeh Rasouli
Volume 44, Issue 2, February 2012, Pages 65-74
10.22060/ceej.2013.110
Rozbeh Rasouli; seyed mohammad reza Rasouli; vahid masomifar
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