Volume 22, Issue 6, August 2019, Pages 85-96
10.22038/ijogi.2019.13747
Seyedeh Fatemeh Nosrati; Malihe Amirian; Morvarid Irani
Volume 15, Issue 29, October 2012, Pages 25-37
10.22038/ijogi.2012.59
Fathollah Ghorbani; Mohammad Ali Akhvian; Elham Rezaei