Volume 10, 1(winter), January 2011, Pages 37-39
Mehdi Besharat; Farhad Abbasi
Volume 7, 4(autumn), December 2008, Pages 64-67
Parviz Vahdani; Farhad Abbasi; Fariba Musavipour; Sharareh Gholamin; Soolmaz Korooni Fardkhani