KAR, T. Prospective middle school mathematics teachers’ knowledge of linear graphs in context of problem-posing. International Electronic Journal of Elementary Education, [S. l.], v. 8, n. 4, p. 643–658, 2017. Disponível em: https://iejee.com/index.php/IEJEE/article/view/138. Acesso em: 10 oct. 2024.