Volume 19, Issue 11, June 2016, Pages 11-17
10.22038/ijogi.2016.7199
Ahdiyeh Parhizkar; Siroos Sahsavari
Volume 15, Issue 8, April 2012, Pages 11-16
10.22038/ijogi.2012.5711
Nasrin Soofizadeh; Fariba Farhadifar; Enayatollah Kalantar; Sirous Shahsavari