MCGUFFEY, W.; BARBA, K. Preface. Journal of Mathematics Education at Teachers College, [S. l.], v. 7, n. 1, 2016. DOI: 10.7916/jmetc.v7i1.779. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/779. Acesso em: 28 feb. 2024.