Volume 18, Issue 144, April 2015, Pages 1-8
10.22038/ijogi.2015.4358
Nahid Zirak; Soheila Milani; Sima Eftekharzadeh
Volume 15, Issue 20, September 2012, Pages 12-18
10.22038/ijogi.2012.6152
Nahid Zirak; Leili Hafizi; Sima Eftekharzadeh; Nayereh Ghomian; Mehri Moradifar; Ebrahim Golmakani