Icha Biassari, Novita Agung Wicaksono and Hari Sunaryo 2024. Improving mathematics learning outcomes on fraction material using pbl-based petis (automatic fraction) media for elementary school students. JURNAL PENDIDIKAN DASAR NUSANTARA. 9, 2 (Jan. 2024), 246-258. DOI:https://doi.org/10.29407/jpdn.v9i2.20774.