GRAY, P.; NELSON, S. Preface. Journal of Mathematics Education at Teachers College, [S. l.], v. 10, n. 1, p. v-vi, 2019. DOI: 10.7916/jmetc.v10i1.1664. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/1664. Acesso em: 25 apr. 2024.