“TINJAUAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) TERHADAP HASIL BELAJAR IPAS DI SEKOLAH DASAR”. Primary Education Journals (Jurnal Ke-SD-An) 6, no. 2 (Juli 21, 2026): 861–874. Diakses Oktober 9, 2026. https://ejournal.uniramalang.ac.id/primed/article/view/9539.