Communicative intervention in population with down syndrome and autism through increasing and alternative communication andcommunication technologies. REVISTA CIENTÍFICA SIGNOS FÓNICOS, [S. l.], v. 7, n. 1, p. 18–35, 2021. DOI: 10.24054/rcsf.v7i1.1161. Disponível em: https://ojs.unipamplona.edu.co/index.php/cdh/article/view/1161. Acesso em: 16 oct. 2025.