The need and possibility for a secret intelligence gathering reform. Academic Journal of Internal Affairs, [S. l.], v. 63, n. 1, p. 59–79, 2015. DOI: 10.38146/BSZ.2015.1.3. Disponível em: http://belugyiszemle-350.pitservice.hu/index.php/belugyiszemle/article/view/206. Acesso em: 22 mar. 2026.