AKTER, Habiba; PHILLIPS, Chris. Tunnelling the Internet. Journal of Telecommunications and the Digital Economy, [S. l.], v. 7, n. 1, p. 20–36, 2019. DOI: 10.18080/jtde.v7n1.175. Disponível em: https://mail.jtde.telsoc.org/index.php/jtde/article/view/175. Acesso em: 8 jan. 2025.