MANAGING CONTEMPORARY SECURITY THREATS IN THE LIGHT OF THE SYSTEMS THEORY - Case Study: COVID-19. Security Dialogues, [S. l.], v. 15, n. 1, p. 87–96, 2024. DOI: 10.47054/10.47054/SD24151087s. Disponível em: http://194.149.137.236/index.php/sd/article/view/2669. Acesso em: 19 aug. 2025.