The Vibrants of Spanish of the Department of Puno: An Acoustic Characterization. Letras, Lima, Peru, v. 92, n. 136, p. 159–171, 2021. DOI: 10.30920/letras.92.136.12. Disponível em: https://revistaletras.unmsm.edu.pe/index.php/le/article/view/2071. Acesso em: 13 sep. 2026.