Novita, Dias, Miftahul Hasanah, Setia Rahmawan, and Istiqomah. “Improving Learning Outcomes through Problem Based Learning (PBL) in Data Presentation for Elementary School Students”. Reforma: Jurnal Pendidikan dan Pembelajaran 15, no. 2 (November 30, 2025): 150–161. Accessed November 8, 2026. https://jurnalpendidikan.unisla.ac.id/index.php/reforma/article/view/1247.