Volume 18, Issue 3, September and October 2007, Pages 39-49
Sima Sabzalipour; Nematolah Jafarzadeh; Masoud Monavari; Zohreh Mojtahed zadeh
Volume 16, Issue 1, March and April 2005, Pages 23-29
Farzad Rohani Shahraki; Rasul Mahdavi; Marziyeh Rezaee