FITZ, M. Teaching the History of Tracking Time with Technology. Journal of Mathematics Education at Teachers College, [S. l.], v. 7, n. 2, 2016. DOI: 10.7916/jmetc.v7i2.794. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/794. Acesso em: 1 may. 2024.