The radio of yesterday, of today and of the future. Letras, Lima, Peru, v. 79, n. 114, p. p. 115–130, 2008. DOI: 10.30920/letras.79.114.6. Disponível em: https://revistaletras.unmsm.edu.pe/index.php/le/article/view/135. Acesso em: 13 sep. 2026.