Volume 16, Issue 66, September 2013, Pages 18-25
10.22038/ijogi.2013.1901
Farzad Nasiry; Shokofeh Sharifi
Volume 14, Issue 5, November 2011, Pages 51-59
10.22038/ijogi.2011.5762
Gholam Raza Nikrahan; Mohammad Bagher Kajbaf; Abolghasem Nouri; Elahe Zarean; Elham Naghshineh