Davydiuk, V. M. “Separate Aspects of Saving the Confidentiality of People Collaboration With Law Enforcement Bodies”. Bulletin of Kharkiv National University of Internal Affairs 85, no. 2 (May 29, 2019): 95-104. Accessed April 18, 2024. http://visnyk.univd.edu.ua/index.php/VNUAF/article/view/207.