Comparative study and evaluation of dominant external representational systems in mathematics education. New Trends and Issues Proceedings on Humanities and Social Sciences, [S. l.], v. 6, n. 7, p. 223–230, 2019. DOI: 10.18844/prosoc.v6i7.4531. Disponível em: https://un-pub.eu/ojs/index.php/pntsbs/article/view/4531. Acesso em: 25 nov. 2024.