Dr. Adnan Mahmoud Musa د. عدنان محمود عياد موسى |, and Dr. Shaker Mohammed AlJaber د. شاكر محمد شاكر الجبر |. “The Reality of the Pedagogical Knowledge Among Teachers of Mathematics of the Ninth Grade Related to the Analysis of Algebraic Expressions”. Journal of Al-Quds Open University for Educational & Psychological Research & Studies 11, no. 29 (May 6, 2020). Accessed July 3, 2024. https://journals.qou.edu/index.php/nafsia/article/view/2276.