Shatara S, Ramahi R. Primary School Teachers’ Knowledge of the Pedagogical Content of "Ratio and Proportion" in Sixth and Seventh Grades: A case Study. Edu [Internet]. 2021 Sep. 1 [cited 2025 Dec. 3];48(3):329-42. Available from: https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2878