Volume 17, Issue 101, June 2014, Pages 13-18
10.22038/ijogi.2014.2916
Akram Kooshki; Roya Akbarzadeh
Volume 10, Issue 2, September 2008, Pages 49-54
10.22038/ijogi.2007.5947
Sedigheh Yousef zadeh; Rouya Akbarzadeh; Mitra Eftekhar Yazdi
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