RAICHE, H. From Universal Service to Universal Communications. Journal of Telecommunications and the Digital Economy, [S. l.], v. 3, n. 4, p. 129–139, 2015. DOI: 10.18080/jtde.v3n4.33. Disponível em: https://mail.jtde.telsoc.org/index.php/jtde/article/view/33. Acesso em: 4 jul. 2024.