List of Articles سطح چالشانگیزی Open Access Article Abstract Page Full-Text 1 - Multilevel analysis of the relationship between perception of teachers' diagnostic skills, challenging level of class, quality of teacher teaching and positive achievement emotions with math performance in ninth-grade students Arash akhash askar atashafrouz Manijeh Shehni Yailagh Morteza Omidian 10.30495/jpmm.2023.32035.3806
