Volume 16, Issue 59, July 2013, Pages 14-23
10.22038/ijogi.2013.1518
Farzaneh Jafarnejad; Halimeh Kazemeini; Reza Mazloum; Zahra Emami Moghadam; Arash Sefidgaran
Volume 9, Issue 2, September 2007, Pages 1-6
10.22038/ijogi.2006.5960
GH Seyedi Alavi; A Mansori; M Rostami