Efektivitas Model Pembelajaran Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematika. proceedings indaf, [S. l.], v. 1, n. 1, p. 1–10, 2026. Disponível em: https://proceedings.indaf.ac.id/index.php/procedaf/article/view/4. Acesso em: 28 oct. 2026.