Volume 21, Issue 1, March 2018, Pages 105-114
10.22038/ijogi.2018.10587
Leila Bagheri; Ashraf Ghiasi; Elaheh Ahmadnia
Volume 10, Issue 2, September 2008, Pages 55-62
10.22038/ijogi.2007.5948
Tahereh Fathi Najafi; Masood Asgarian Yazdi; Seyed Reza Mazloom