Analysis of normalized and non-normalized vowel formants for Colombian Spanish. REVISTA CIENTÍFICA SIGNOS FÓNICOS, [S. l.], v. 2, n. 3, p. 22–40, 2016. DOI: 10.24054/rcsf.v2i3.2125. Disponível em: https://ojs.unipamplona.edu.co/index.php/cdh/article/view/2125. Acesso em: 17 oct. 2025.