Volume 17, Issue 138, March 2015, Pages 18-21
10.22038/ijogi.2015.4198
Hamid Farhangi; Ali ghasemi; Zahra Badiei
Volume 10, Issue 2, September 2008, Pages 107-112
10.22038/ijogi.2007.5955
Mansoreh Vahdat; Elaheh Sariri; Ameneh Haghgoo; Hajar Yousefnejad; Seyed-Mohammad Fereshtehnejad