MOHAMMAD, I. A. Difficulties of Teaching in the Middle Schools from the View Point of Teachers of Mathematics. Journal of Tikrit University for Humanities, [S. l.], v. 26, n. 11, p. 437–457, 2019. DOI: 10.25130/jtuh.26.11.2019.21. Disponível em: https://jtuh.org/index.php/jtuh/article/view/905. Acesso em: 10 sep. 2026.