Volume 73, Issue 2, August 2020, Pages 257-270
10.22059/jne.2020.292789.1854
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Volume 65, Issue 1, April 2012, Pages 95-110
10.22059/jne.2012.29466
Hoda Abdollahi; Seyed hamid Matinkhah; Hossein Bashari; Seyed mohsen Hosseini