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”, J. Pendidik. Dasar Nusant, vol. 9, no. 2, pp. 246–258, Jan. 2024, doi: 10.29407/jpdn.v9i2.20774.