USE OF UNMANNED AERIAL VEHICLES BY THE ISLAMIC STATE: Nature of the Threat. Obrana a strategie, [S. l.], v. 2017, n. 2, p. 083–100, 2018. Disponível em: https://journals.unob.cz/index.php/oas/article/view/1381. Acesso em: 23 oct. 2024.