How are Students’ Critical Thinking Skills When Solving Problems Collaboratively?. Advances of Research in Mathematics Education, [S. l.], n. 27, p. 21–41, 2025. DOI: 10.35763/aiem27.5669. Disponível em: https://aiem.es/aiem/article/view/v27-khusna-siswono-wijayanti. Acesso em: 20 may. 2026.