فهرست مقالات single-instructor method دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Comparative Efficacy of Sequential Multi-Instructor Versus Single-Instructor Teaching on Iranian High School EFL Achievement Nasrin Mehrvarz Bahambari Valeh Valipour Mohammadreza Khodareza 10.71528/jntell.2024.1189400