Efektivitas Model Pembelajaran Problem Based Learning Terhadap Kemampuan Pemecahan Masalah Matematika. Proceedings Institut Darul Falah, [S. l.], v. 1, n. 1, p. 1–10, 2026. Disponível em: https://www.proceeding.indaf.ac.id/index.php/procedaf/article/view/2. Acesso em: 17 apr. 2026.