PORTILLA CHAVES, M. Tipología de los sistemas vocálicos románicos. Journal of Philology and Linguistics of the University of Costa Rica, [S. l.], v. 13, n. 2, p. 109–118, 2015. DOI: 10.15517/rfl.v13i2.18843. Disponível em: https://www.revistas.ucr.ac.cr/index.php/filyling/article/view/18843. Acesso em: 19 may. 2024.