CAMPBELL, I. Fact or Fraud?. Journal of Telecommunications and the Digital Economy, [S. l.], v. 5, n. 2, p. 75–97, 2017. DOI: 10.18080/jtde.v5n2.107. Disponível em: https://jtde.telsoc.org/index.php/jtde/article/view/107. Acesso em: 27 nov. 2024.