Awad, M. H, and B.A AL-mayoof. “Levels of Geometrical Thinking of College of Education Ibn AI Haithem Students”. Ibn AL-Haitham Journal For Pure and Applied Sciences 19, no. 2 (December 29, 2017): 134–144. Accessed April 4, 2025. https://jih.uobaghdad.edu.iq/index.php/j/article/view/1635.