Karzoun, Noor Anees. “Comparison of the Content in Palestinian Mathematical Textbooks for Grades 3-5 With the Palestinian Document of Mathematics in Light of the Content Standards of Numbers and Operations Set by the National Council of Teachers of Mathematics (NCTM)”. Dirasat: Educational Sciences 50, no. 1 (March 15, 2023): 313–331. Accessed July 4, 2024. http://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/4583.