Volume 43, Issue 2, September 2017, Pages 303-316
10.22059/jes.2017.63080
Volume 40, Issue 4, January 2015, Pages 973-988
10.22059/jes.2014.53013
Vahid Faramarzi; Alireza Soffianian
Volume 34, Issue 45, May 2008
Volume 29, Issue 32, December 2003
)