Volume 7, Issue 15, September 2012, Pages 67-76
M Havaej; R Rahmannejad; M.A Ebrahimi
Volume 6, Issue 11, May 2011, Pages 91-99
A.R Kargar; R Rahmannejad
Volume 4, Issue 8, December 2009, Pages 31-37
R Rahmannejad; V Maazallahi