Volume 12, Issue 2, July 2009, Pages 31-38
10.22038/ijogi.2009.5893
Roya Nasiri; Mohammad Sarafraz Yazdi; Saghi Elmi
Volume 9, Issue 1, March 2006, Pages 67-74
10.22038/ijogi.2006.5993
R Nasiri; Mohammad Sarafraz Yazdi