1.
Ekawati R, Lin F-L, Kohar AW. Investigating teachers’ mathematics pedagogical content knowledge on ratio and proportion: Does it exist in teaching?. CP [Internet]. 2022 Sep. 30 [cited 2025 Jul. 6];41(3):830-47. Available from: https://journal.uny.ac.id/index.php/cp/article/view/39457