Volume 26, Issue 1, March and April 2017, Pages 43-54
Volume 22, Issue 2, November and December 2013, Pages 1-11
Volume 11, Issue 2, January and February 2001, Pages 31-42
H. Khara; A. Keyvan; Sh. Nezami; K. Mehdinezhad; T. Mohmmadjani