The Rational Numbers in Chile’s Primary School Curricula (1974-2012). Revista Electrónica Educare, [S. l.], v. 27, n. 3, p. 1–19, 2023. DOI: 10.15359/ree.27-3.17247. Disponível em: https://www.revistas.una.ac.cr/index.php/EDUCARE/article/view/17247.. Acesso em: 17 jul. 2024.