@article{ author = {akhash, Arash, atashafrouz, askar, Shehni Yailagh, Manijeh, Omidian, Morteza}, title = {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}, journal = {Psychological Models and Methods}, year = {2023}, volume = {14}, issue = {2}, pages = {1-20}, doi = {10.30495/jpmm.2023.32035.3806}, url = {https://sanad.iau.ir/fa/Article/1162540} }