Volume 69, Issue 4, February 2016, Pages 1027-1039
10.22059/jne.2017.118581.866
Volume 66, Issue 1, April 2013, Pages 101-111
10.22059/jne.2013.35407
Zeynab Nazari; Nematollah Khorasani; Sadat Feiznia; Mahmoud Karami