Reskina, Reskina, and Kartini Kartini. “Analysis of Student’s Errors in Solving Social Arithmetic Problems Based on Newman’s Theory”. Edumatica : Jurnal Pendidikan Matematika 12, no. 3 (December 31, 2022): 238-248. Accessed November 26, 2024. https://online-journal.unja.ac.id/edumatica/article/view/19589.