PIEDRA MARTÍNEZ, E.; FREIRE PESÁNTEZ, A.; LÓPEZ ORELLANA, C. T.; TAPIA ENCALADA, E. Validation of a test for early detection of literacy difficulties in Ecuador: Validation of a hardship risk test. Revista Ecuatoriana de Pediatría, [S. l.], v. 23, n. 3, p. 239-248, 2022. DOI: 10.52011/184. Disponível em: https://rev-sep.ec/index.php/johs/article/view/184. Acesso em: 19 apr. 2024.