MARINOV, R. Analog environment vs. digital communications. Yearbook of Department Mass Communications, [S. l.], v. 1, p. 11–34, 2020. DOI: 10.33919/ydmc.19.1.1. Disponível em: https://ojs.nbu.bg/index.php/YMCD/article/view/404. Acesso em: 26 sep. 2022.