Icha Biassari, Novita Agung Wicaksono, and Hari Sunaryo. “Improving Mathematics Learning Outcomes on Fraction Material Using Pbl-Based Petis (automatic Fraction) Media for Elementary School Students”. JURNAL PENDIDIKAN DASAR NUSANTARA 9, no. 2 (January 31, 2024): 246-258. Accessed May 22, 2024. https://ojs.unpkediri.ac.id/index.php/pgsd/article/view/20774.