PÉREZ MARTÍNEZ, R. M. Brief approach to the concept of functional illiteracy as a poor determination of a fundamental educational problem. IE Revista de Investigación Educativa de la REDIECH, [S. l.], v. 13, p. e1442, 2022. DOI: 10.33010/ie_rie_rediech.v13i0.1442. Disponível em: https://www.rediech.org/ojs/2017/index.php/ie_rie_rediech/article/view/1442. Acesso em: 21 aug. 2025.