MUGIYATMI. PENGARUH MODEL PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR IPS. Jurnal Mitra, [S. l.], v. 2, n. 1, 2023. Disponível em: https://jurnal.mitrasmart.co.id/index.php/jm/article/view/33. Acesso em: 22 nov. 2024.