Oktalina, Dian, Widiawati, and Neni Lismareni. “Developing a Pmri-Based Learning Design for Social Arithmetic through Online Buying and Selling Contexts”. Jurnal Absis: Jurnal Pendidikan Matematika dan Matematika 8, no. 3 (December 30, 2025): 509–523. Accessed April 23, 2026. https://journal.upp.ac.id/index.php/absis/article/view/3365.