DU VALL, Marta. Key barriers to inter-organizational learning in the European security ecosystem. Bezpieczeństwo. Teoria i Praktyka / Security: Theory and Practice, [S. l.], n. 1, p. 21–34, 2026. DOI: 10.31749/2451-0718-btip-2026-1-001. Disponível em: https://journals.uafm.edu.pl/stp/article/view/191. Acesso em: 8 jul. 2026.