Volume 18, Issue 140, March 2015, Pages 7-14
10.22038/ijogi.2015.4256
Abbas Khosravi; Mohammad Ali Jalalifar; Bita Baratvand; Morteza Moazzemi goudarzi; Ehsan Ghaedi
Volume 12, Issue 4, December 2010, Pages 1-6
10.22038/ijogi.2009.5874
Malihe Arab; Soghra Rabiee; Shamsi Pilehvari