SHATARA, S. .; RAMAHI , R. . Primary School Teachers’ Knowledge of the Pedagogical Content of "Ratio and Proportion" in Sixth and Seventh Grades: A case Study. Dirasat: Educational Sciences, [S. l.], v. 48, n. 3, p. 329–342, 2021. Disponível em: https://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2878. Acesso em: 3 dec. 2025.