TY JOUR TI Legal and organisational aspects of procedural control during the completion stage of the preliminary investigation KW completion of preliminary investigation KW procedural control KW legal and organisational aspects KW problems of procedural control JO Vestnik of the St. Petersburg University of the Ministry of Internal Affairs of Russia AU Felk, A.A. PY 2025 IS 2025 PB SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION