OICC Press Journal of Language and Translation 2645-3738 1 4 2010 09 01 The Effect of Teachers' Attitudes on Implementing Washback in Regular versus Preparatory Language Classes 1 10 EN Parviz Birjandi Islamic Azad University, Science and Research Branch Bahram Mowlaie Islamic Azad University, South Tehran Branch Journal Article 2010 09 01