Volume 18, Issue 139, March 2015, Pages 1-7
10.22038/ijogi.2015.4229
Helen Sahebghalam; Salmeh Dadgar; Amir Bahador Sadri
Volume 11, Issue 4, December 2009, Pages 9-13
10.22038/ijogi.2008.5906
Helen Saheb Ghalam; Ghazal Panahi; Salmeh Dadgar; Narges Afzali; Mahsa Shaban