00820naa#a2200169#i#450# EN\FGKOU VO SPBU MVD ROSSII\bibl\30055 20241120013739.3 2071-8284 20191015b2019####ek#y0engy0150####ca RU Study of the legal category "official" as a factor in improving the quality of law in the field of operational investigation. Journal article St. Petersburg SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION 2019 5 с. Journal article local Психология. 15 Право. Юридические науки. 34 Образование. Воспитание. Обучение. Организация досуга. 37 Kurtyak Andrey Ivanovich vestnikkf.ru