فهرست مقالات evaluation of academic progress دسترسی آزاد مقاله صفحه چکیده متن کامل 1 - Validation of the model for evaluating academic progress in multi-grade classes in elementary schools Mojtaba Sarchahani Abbas Gholtash Seyed Ahmad Hashemi Aliasghar Mashinchi 10.71922/jee.2024.1194639