6+7=18. Foro de Educación, [S. l.], v. 2, n. 4, p. 104–105, 2024. DOI: 10.14201/17kavc54. Disponível em: http://forodeeducacion.com/ojs/index.php/fde/article/view/506. Acesso em: 28 mar. 2025.