NURBAITI, A.; PRATAMA, D. The effect of the problem-based learning model with cooperative setting of numbered heads together on students’ numeracy skills. Instructional Media for Mathematics (IM Math), [S. l.], v. 2, n. 2, p. 1–13, 2024. DOI: 10.66161/687841. Disponível em: https://journal.aws-edu.id/index.php/IM-MATH/article/view/32. Acesso em: 7 may. 2026.