ICHA BIASSARI; NOVITA AGUNG WICAKSONO; HARI SUNARYO. Improving mathematics learning outcomes on fraction material using pbl-based petis (automatic fraction) media for elementary school students. JURNAL PENDIDIKAN DASAR NUSANTARA, Indonesia, INA, v. 9, n. 2, p. 246–258, 2024. DOI: 10.29407/jpdn.v9i2.20774. Disponível em: https://ojs.unpkediri.ac.id/index.php/pgsd/article/view/20774. Acesso em: 31 may. 2025.