Volume 19, Issue 37, December 2017, Pages 8-15
10.22038/ijogi.2016.8183
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Volume 18, Issue 162, September 2015, Pages 1-10
10.22038/ijogi.2015.4973
Seyed Reza Mazloum; Zohreh Najafi; Hadi koushyar; Amin Azhari