AMANAH, A. PENERAPAN MODEL PROBLEM BASED LEARNING UNTUK MENINGKATKAN HASIL BELAJAR IPS KELAS VIIIG SMPN 1 PIYUNGAN. STRATEGY : Jurnal Inovasi Strategi dan Model Pembelajaran, [S. l.], v. 3, n. 1, p. 9-18, 2023. DOI: 10.51878/strategi.v3i1.1952. Disponível em: https://www.jurnalp4i.com/index.php/strategi/article/view/1952. Acesso em: 2 apr. 2026.