Nadia Juni Prastika, Ahmad Harjono, and Muhammad Syazalli. “Hasil Belajar IPAS Peserta Didik Kelas V Dengan Model Problem Based Learning (PBL) ”. Jurnal Pendidikan, Sains, Geologi, dan Geofisika (GeoScienceEd Journal) 6, no. 4 (January 6, 2026): 2492–2497. Accessed June 3, 2026. https://jpfis.unram.ac.id/index.php/GeoScienceEdu/article/view/1638.