REMIJAN, K. . Playing with Push Toys and Technology: Solving a System of Linear Equations. Journal of Mathematics Education at Teachers College, [S. l.], v. 13, n. 1, p. 31–33, 2022. DOI: 10.52214/jmetc.v13i1.9067. Disponível em: https://journals.library.columbia.edu/index.php/jmetc/article/view/9067. Acesso em: 15 aug. 2022.