PÉREZ VARELA, F. Los inicios la radio en Europa: 1921 – 1930 | The beginnings radio in Europe: 1921-1930. Razón y Palabra, [S. l.], v. 19, n. 2_90, p. 746–761, 2015. Disponível em: https://ryp.cheersportwildcats.com/index.php/ryp/article/view/357. Acesso em: 7 nov. 2024.