Students’ Engagement in a Mathematical Investigation through Online Problem-Based Learning. International Journal on Studies in Education, [S. l.], v. 6, n. 1, p. 51–66, 2023. DOI: 10.46328/ijonse.175. Disponível em: https://ijonse.net/index.php/ijonse/article/view/1876. Acesso em: 2 jul. 2025.