RODRÍGUEZ ROJAS, P. Fractions: teachers’ knowledge and their contribution to the teaching of fourth grade students in Chilean schools. Innovaciones Educativas, [S. l.], v. 25, n. 38, p. 23–35, 2023. DOI: 10.22458/ie.v25i38.4549. Disponível em: https://revistas.uned.ac.cr/index.php/innovaciones/article/view/4549. Acesso em: 23 nov. 2024.