POMMER, W. M. THE FLEXIBLE USAGES OF THE VARIABLE CONCEPT AT BASIC EDUCATION: A STUDY INVOLVING LINEAR DIOPHANTINE EQUATION. Ciência e Natura, [S. l.], v. 37, p. 356–364, 2015. DOI: 10.5902/2179460X14370. Disponível em: https://periodicos.ufsm.br/cienciaenatura/article/view/14370. Acesso em: 12 sep. 2024.