Barrio-Fraile, Estrella, Ana-María Enrique-Jiménez, Anna Fajula-Payet, María-Luz Barbeito-Veloso, y Juan-José Perona-Páez. «The Sound of Responsibility: Evolution of the Use of Radio Advertising As a Corporate Social Responsibility (CSR) Communication Channel before and After Covid-19. A Significant Increase». Profesional de la información 31, no. 5 (octubre 28, 2022). Accedido febrero 9, 2023. https://revista.profesionaldelainformacion.com/index.php/EPI/article/view/86896.