FERRIS, J. Behind the Enigma: The Authorized History of GCHQ, Britain’s Secret Cyber-Intelligence Agency. The Journal of Intelligence, Conflict, and Warfare, [S. l.], v. 3, n. 3, p. 131–134, 2021. DOI: 10.21810/jicw.v3i3.2795. Disponível em: https://journals.lib.sfu.ca/index.php/jicw/article/view/2795. Acesso em: 12 dec. 2024.