HULNICK, Arthur S. Harold P. Ford, Estimative Intelligence: The Purposes and Problems of National Intelligence Estimating. Journal of Conflict Studies, [S. l.], v. 14, n. 1, 1994. Disponível em: https://journals.lib.unb.ca/index.php/JCS/article/view/15167. Acesso em: 18 mai. 2024.