Sari, Riska Novia, Rizky Rosjanuardi, Ratri Isharyadi, and Aat Nurhayati. “Level of students’ Proportional Reasoning in Solving Mathematical Problems”. Journal on Mathematics Education 15, no. 4 (September 20, 2024): 1093–1112. Accessed September 27, 2024. http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/635.