MCDONOUGH, C. C. U.S. Telco Industry History as a Prologue to its Future. Journal of Telecommunications and the Digital Economy, [S. l.], v. 5, n. 2, p. 98–112, 2017. DOI: 10.18080/jtde.v5n2.108. Disponível em: https://mail.jtde.telsoc.org/index.php/jtde/article/view/108. Acesso em: 6 jul. 2024.