Legal basis for the use of covert means. Belügyi Szemle, [S. l.], v. 72, n. 6, p. 1087–1099, 2024. DOI: 10.38146/bsz-ajia.2024.v72.i6.pp1087-1099. Disponível em: https://belugyiszemlejournal.org/index.php/belugyiszemle/article/view/1518.. Acesso em: 4 mar. 2026.