Volume 29, Issue 4, December 2010, Pages 149-159
10.30492/ijcce.2010.6417
Shabnam Rasoulian; Mohammad Shahrokhi; Hassan Salarieh
Volume 28, Issue 2, June 2009, Pages 75-83
10.30492/ijcce.2009.13369
Ali Qajar; Ramin Bozorgmehry Boozarjomehry,