@article{Popov2025role,
author={Popov, S.V.},
title={Role and importance of confidential assistance in operational investigative activities},
journal={Bulletin of the Kaliningrad branch of the Saint-Petersburg University of the Ministry of Internal Affairs of Russia},
publisher={SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION},
year={2025},
pages={106-113},
volume={0},
issue={4},
}