Volume 17, Issue 91, March 2014, Pages 21-25
10.22038/ijogi.2014.2614
Zohreh Yousefi; Sedighe ghasemian; Farzaneh Rashidi Fakari; mohammad Bidar Farimani
Volume 12, Issue 4, December 2010, Pages 53-60
10.22038/ijogi.2009.5881
Zohreh Yousefi; Shohreh Saeed; Abbas Tabatabaie
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