Volume 18, Issue 147, May 2015, Pages 1-6
10.22038/ijogi.2015.4440
Hadi Safdari; Aylin safdari; sahar Tahaghoghi; Atefeh Yari; Kiarash Ghazvini
Volume 16, Issue 53, June 2013, Pages 1-6
10.22038/ijogi.2013.1068
Ali Kazemi; Hosein Norouzi; Sima Nazarpour