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. JPDN [Internet]. 2024Jan.31 [cited 2024May22];9(2):246-58. Available from: https://ojs.unpkediri.ac.id/index.php/pgsd/article/view/20774