NURJANAH, S.; FATRIMA SANTRI SYAFRI. PENGEMBANGAN BUKU KONSEP MATEMATIKA DENGAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) PADA POKOK BAHASAN BILANGAN. Al-Irsyad Journal of Mathematics Education, [S. l.], v. 5, n. 1, p. 216–229, 2025. DOI: 10.58917/ijme.v5i1.602. Disponível em: https://ejurnal.stkipddipinrang.ac.id/index.php/wjme/article/view/602. Acesso em: 1 jan. 2026.