WOJCIECHOWSKI, Sebastian. The Spirit of Terrorism – its Contemporary Evolution and Escalation. Przegląd Strategiczny, [S. l.], n. 16, p. 9–22, 2023. DOI: 10.14746/ps.2023.1.1. Disponível em: https://pressto.amu.edu.pl/index.php/ps/article/view/41516. Acesso em: 17 maj. 2024.