NADHIFAH, Lailatun; EDY, Sarwo; KHIKMIYAH, Fatimatul. Peningkatan Kemampuan Pemahaman Konsep Matematika Siswa SMP Melalui Model Pembelajaran Problem Based Learning. Postulat : Jurnal Inovasi Pendidikan Matematika, [S. l.], v. 5, n. 2, p. 177–188, 2024. DOI: 10.30587/postulat.v5i2.9083. Disponível em: https://journal.umg.ac.id/index.php/postulat/article/view/9083. Acesso em: 13 jul. 2025.