Meeaad Jasim Salman Al-Sarry, and Doaa Jamil Ghadban. “THE EFFECT OF A PROPOSED STRATEGY BASED ON CONSTRUCTIVE LEARNING ON COGNITIVE FLEXIBILITY AND MATHEMATICAL DESIGN THINKING AMONG MIDDLE SCHOOL STUDENTS”. PalArch’s Journal of Archaeology of Egypt / Egyptology, vol. 17, no. 4, Nov. 2020, pp. 134-5, https://archives.palarch.nl/index.php/jae/article/view/257.