List of Articles Aliasghar Mashinchi Article 1 - Validation of the model for evaluating academic progress in multi-grade classes in elementary schools 10.71922/jee.2024.1194639 Mojtaba Sarchahani Abbas Gholtash Seyed Ahmad Hashemi Aliasghar Mashinchi Biannual Journal of Education Experiences , Issue 12 , Year , Winter 2024