DEIHL, S.; MARKINSON, M. P. Connecting the Tangent Function to Cardinality: A Method for Introducing Set Theory to High School Students. Journal of Mathematics Education at Teachers College, [S. l.], v. 10, n. 2, p. 1–7, 2019. DOI: 10.7916/jmetc.v10i2.4190. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/4190. Acesso em: 19 apr. 2024.