00644naa#a2200169#i#450# EN\\bibl\104215 20250930155054.2 2072-2427 20250922b2025####ek#y0engy0150####ca RU ON THE ISSUE OF INCREASING THE EFFECTIVENESS OF COUNTERING EXTREMIST CRIMES COMMITTED IN INSTITUTIONS OF THE PENAL SYSTEM Journal article Ryazan Academy of the FPS of Russia 2025 7 с. Journal article local Деяния против государства и системы управления. 343.3 Bezruchko Evgeny Valerievich pl.editorum.ru