AWAD, M. H; AL-MAYOOF, B.A. Levels of Geometrical Thinking of College of Education Ibn AI Haithem Students. Ibn AL-Haitham Journal For Pure and Applied Sciences, Baghdad, Iraq., v. 19, n. 2, p. 134–144, 2017. Disponível em: https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/1635. Acesso em: 1 may. 2025.