Volume 19, Issue 34, November 2016, Pages 18-25
10.22038/ijogi.2016.8021
Elham Alihosseini; Shahnaz Najar; Poorandokht Afshari; Mohammad Hossein Haghighizadeh
Volume 17, Issue 95, April 2014, Pages 18-25
10.22038/ijogi.2015.2802
Fatemeh Mahmoodi; Asieh Mobaraki