“150. Upaya Peningkatan Hasil Belajar Pembelajaran IPAS Kelas IV Melalui Model Pembelajaran Problem Based Learning Di SDN 1 Bugo” 1, no. 1 (July 3, 2023): 1379–1386. Accessed August 12, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/4403.