GREGORY, M. A. Telecommunications is an Essential Service. Journal of Telecommunications and the Digital Economy, [S. l.], v. 5, n. 4, p. ii-v, 2017. DOI: 10.18080/jtde.v5n4.136. Disponível em: https://mail.jtde.telsoc.org/index.php/jtde/article/view/136. Acesso em: 4 jul. 2024.