Volume 16, Issue 2, March and April 2019, Pages 57-72
Atefeh Armand; Tofigh Allahviranloo; Saeid Abbasbandy; Zeinab Gouyandeh
Volume 9, Issue 6, November and December 2012, Pages 57-67
Tofigh Allahviranloo; Rahim Saneifard
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