Volume 21, Issue 11, January 2019, Pages 23-31
10.22038/ijogi.2019.12323
Soodabeh Aghababaei; Ali Reza Soltanian; Shokoufeh Sharifi; Elnaz Torkzaban; Mansoureh Refaei
Volume 16, Issue 66, September 2013, Pages 18-25
10.22038/ijogi.2013.1901
Farzad Nasiry; Shokofeh Sharifi