Sari RN, Rosjanuardi R, Isharyadi R, Nurhayati A. Level of students’ proportional reasoning in solving mathematical problems. j. math. educ. [Internet]. 2024 Sep. 20 [cited 2024 Nov. 22];15(4):1095-114. Available from: http://jme.ejournal.unsri.ac.id/index.php/jme/article/view/635