Volume 20, Issue 12, March 2018, Pages 67-76
10.22038/ijogi.2017.10432
Sahebeh Dadshahi; Shahnaz Torkzahrani; Padideh Janati-Ataie; Malihe Nasiri
Volume 13, Issue 3, October 2010, Pages 21-24
10.22038/ijogi.2010.5852
Ensieh Jenabi