VAN DE WALLE, J. A.; LOVIN, L. A. H. Teaching Student-Centered Mathematics: Grades K-3. Education Review, [S. l.], 2015. DOI: 10.14507/er.v0.832. Disponível em: https://edrev.asu.edu/index.php/ER/article/view/832. Acesso em: 23 feb. 2024.