Presentation. Signo y seña, [S. l.], n. 33, p. 1–6, 2018. DOI: 10.34096/sys.n33.5253. Disponível em: https://revistascientificas.testing.filo.uba.ar/index.php/sys/article/view/5253. Acesso em: 10 dec. 2025.