Exploring Self-Confidence and Problem-Solving Skills : A Grade 7 Case Study in Mathematics. American Journal of Language, Literacy and Learning in STEM Education (2993-2769), [S. l.], v. 3, n. 11, p. 45–72, 2025. Disponível em: https://www.grnjournal.us.e-scholar.org/index.php/STEM/article/view/8582. Acesso em: 27 jan. 2026.