ASLAN TUTAK, F.; ADAMS, T. L. A study of geometry content knowledge of elementary preservice teachers. International Electronic Journal of Elementary Education, [S. l.], v. 7, n. 3, p. 301–318, 2017. Disponível em: https://iejee.com/index.php/IEJEE/article/view/82. Acesso em: 5 dec. 2021.