Mathematical Reasoning in Secondary Classrooms: Problem-Solving Instruction, Cognitive Strategy Use, and Task Complexity. Journal Scholarly Teaching Research and New Approaches in Various Academic Innovations (Journal STRANOVIA), [S. l.], v. 1, n. 1, p. 47–66, 2025. DOI: 10.63011/x4kp2w05. Disponível em: https://journalstranovia.com/index.php/journal/article/view/3. Acesso em: 8 apr. 2026.