LEE, K.; KHNG, K. H.; NG, S. F.; NG, J. L. K. Longer bars for bigger numbers? children’s usage and understanding of graphical representations of algebraic problems. Frontline Learning Research, [S. l.], v. 1, n. 1, p. 81–96, 2013. DOI: 10.14786/flr.v1i1.49. Disponível em: https://journals.sfu.ca/flr/index.php/journal/article/view/49. Acesso em: 26 apr. 2024.