Volume 21, Issue 11, January 2019, Pages 52-60
10.22038/ijogi.2019.12327
Azam Amirian; Nourossadat Kariman; Mehdi Hedayati; Nasrin Borumandnia; Zahra Naeje
Volume 9, Issue 2, September 2007, Pages 104-109
10.22038/ijogi.2006.5982
Marzieh Lotfali zadeh; Nayereh Ghomian