NAVIA ORDÓÑEZ, L. Semiotic representations of the concept of linear equation with a variable from the implementation of a didactic game. Amazonia Investiga, [S. l.], v. 6, n. 11, p. 38–52, 2017. Disponível em: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/598. Acesso em: 26 sep. 2025.