00633naa#a2200169#i#450# EN\\bibl\106479 20251117040720.1 2072-2427 20251112b2025####ek#y0engy0150####ca RU HISTORICAL ASPECTS OF THE ACTIVITIES OF OPERATIONAL INVESTIGATIVE UNITS (DETECTIVE AGENCIES) FOR THE IMPLEMENTATION OF MIGRATION FUNCTIONS Journal article Ryazan Academy of the FPS of Russia 2025 8 с. Journal article local Уголовно-процессуальное право. 343.13 Suyunchalieva Olesya Talgaevna pl.editorum.ru