1.
Ruli RM, Juandi D, Dahlan JA, Maudy SY. From Arithmetic to Algebra: Students’ Epistemological Obstacles. supremum j of mathematics education [Internet]. 2025 Jul. 30 [cited 2025 Aug. 3];9(2):371-82. Available from: https://ejournal.unsika.ac.id/index.php/sjme/article/view/205