ZULKARNAIN, I. Pengaruh Model Pembelajaran Problem Based Learning terhadap Kemampuan Pemecahan Masalah Matematika. PTK: Jurnal Tindakan Kelas, [S. l.], v. 4, n. 1, p. 149–157, 2023. DOI: 10.53624/ptk.v4i1.298. Disponível em: https://jurnal.ciptamediaharmoni.id/index.php/ptk/article/view/298. Acesso em: 17 may. 2024.