JAMAL, N. OPTIMALISASI HASIL BELAJAR MATEMATIKA MELALUI MODEL PEMBELAJARAN PROBLEM BASED LEARNING. Al-Irsyad Journal of Mathematics Education, [S. l.], v. 3, n. 1, p. 40–53, 2024. DOI: 10.58917/ijme.v3i1.88. Disponível em: http://ejurnal.stkipddipinrang.ac.id/index.php/wjme/article/view/88. Acesso em: 22 agu. 2025.