Penerapan Model Problem Based Learning Pada Hasil Belajar Matematika Peserta Didik Kelas VIII SMPN 18  Padang. Jurnal Edukasi dan Penelitian Matematika, [S. l.], v. 15, n. 1, p. 8–13, 2026. DOI: 10.24036/c1yn5412. Disponível em: https://jepm.ppj.unp.ac.id/index.php/jepm/article/view/163. Acesso em: 19 apr. 2026.