The effectiveness of executing operative procurement by the units of criminal police under the current legal regulation. Bulletin of Kharkiv National University of Internal Affairs, [S. l.], v. 74, n. 3, p. 144–151, 2018. Disponível em: https://visnyk.univd.edu.ua/index.php/VNUAF/article/view/118. Acesso em: 17 sep. 2025.