GORYCA, Tomasz. THE USE OF OPEN SOURCES OF INFORMATION IN THE ACTIVITIES OF THE FORMATIONS RESPONSIBLE FOR PROTECTION OF THE EXECUTIVE BODIES OF THE STATE. Security Forum, [S. l.], v. 7, n. 1, 2026. Disponível em: https://ojs.wsb.edu.pl/index.php/sf/article/view/1842. Acesso em: 22 sep. 2026.