VAN PUTTEN, S.; HOWIE, S.; STOLS, G. Making Euclidean geometry compulsory: Are we prepared?. Perspectives in Education, [S. l.], v. 28, n. 4, p. 22–31, 2010. DOI: 10.38140/pie.v28i4.51. Disponível em: https://journals.ufs.ac.za/index.php/pie/article/view/51. Acesso em: 3 jul. 2024.