Wahyuningrum, Ayunda Sri, Didi Suryadi, and Turmudi. “Students’ Prior Knowledge As an Ontogenic Obstacle on the Topic of Ratio and Proportion”. Jurnal Pendidikan Matematika 17, no. 1 (October 15, 2024): 55–68. Accessed November 21, 2024. https://jpm.ejournal.unsri.ac.id/index.php/jpm/article/view/180.