Volume 19, Issue 33, November 2016, Pages 1-6
10.22038/ijogi.2016.8010
Saman Maroufizadeh; Reza Omani Samani; Payam Amini
Volume 10, Issue 2, September 2008, Pages 119-126
10.22038/ijogi.2007.5957
Nezhat moosavifar; Fatemeh Behdani; Atefeh Soltanifar; Paria Hebrani