Al-deeb , M. . “The Degree of Availability of Common American Basic Standards (CCSSM) in the Mathematics Textbooks Developed for the High Basic Stage in Palestine”. Dirasat: Educational Sciences, vol. 48, no. 3, Sept. 2021, pp. 101-2, http://dsr.ju.edu.jo/djournals/index.php/Edu/article/view/2860.