HARTLEY, Keith. The future of the European defense firm. The Economics of Peace and Security Journal, [S. l.], v. 18, n. 1, 2023. DOI: 10.15355/epsj.18.1.66. Disponível em: https://www.epsjournal.org.uk/index.php/EPSJ/article/view/387. Acesso em: 9 may. 2024.