Volume 25, Issue 4, March 2012, Pages 323-336
10.22092/ijsr.2012.126513
E. Mousavi; A. R. Soffianian; N. Mirghafari; L. Khodakarami
Volume 19, Issue 2, November 2005, Pages 193-200
10.22092/ijsr.2006.127449
M. Jalali; Z. Kolahchi