Volume 22, Issue 3, October 2014, Pages 509-526
Ismaeil Ghajar; Akbar Najafi
Volume 21, Issue 4, March 2014, Pages 654-665
Hadi Bayati; Akbar Najafi; parviz Abdolmaleki
Volume 20, Issue 3, September 2012, Pages 471-460
Pejman Imani; Akbar Najafi; Sma'eil Ghajar
Volume 20, Issue 2, June 2012, Pages 323-313
Sma`eil Ghajar; Akbar Najafi; Ali Torabi; Kevin Boston
Volume 18, Issue 1, March 2010, Pages 151-143
Zahra Azizi; Akbar Najafi; Parviz Fatehi; Mahtab Pirbavaghar