ARIES, Achmad. Pengaruh Model Pembelajaran Problem Based Learning (PBL) Terhadap Hasil Belajar Matematika Pada Siswa Kelas VII Di SMP Sultan Agung Surabaya. Postulat : Jurnal Inovasi Pendidikan Matematika, [S. l.], v. 3, n. 1, p. 1–13, 2022. DOI: 10.30587/postulat.v3i1.4312. Disponível em: https://journal.umg.ac.id/index.php/postulat/article/view/4312. Acesso em: 25 may. 2025.