İbrahim Demir Serpil Kılıç
Özgüven, Öz yeterlik, Matematik Başarısı, Hiyerarşik Lineer Modeller, PISA
Mathematics Self-Concept, Mathematics Self-Efficacy, Mathematics Achievement, Hierarchical Linear Models, PISA
İbrahim Demir This is me
Serpil Kılıç This is me