Volume 15, Issue 35, January 2013, Pages 1-10
10.22038/ijogi.2013.322
Akram Sanagou; Leila Jouybari
Volume 15, Issue 4, January 2012, Pages 1-11
10.22038/ijogi.2012.5729
Zeinab Jalambadani; Ali Vafaee Najjar