AKMAL, M.; ARLIANI, E. The effectiveness of problem-based learning (PBL) in improving mathematical conceptual understanding and numeracy of grade VIII students. Instructional Media for Mathematics (IM Math), [S. l.], v. 3, n. 1, p. 25–39, 2025. DOI: 10.66161/708562. Disponível em: https://journal.aws-edu.id/index.php/IM-MATH/article/view/42. Acesso em: 7 may. 2026.