BOSTIC, J. D. Fostering Justification: A Case Study of Preservice Teachers, Proof-Related Tasks, and Manipulatives. Journal of Mathematics Education at Teachers College, [S. l.], v. 7, n. 1, 2016. DOI: 10.7916/jmetc.v7i1.786. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/786. Acesso em: 25 apr. 2024.