TY JOUR TI IMPROVING THE EFFECTIVENESS OF COUNTERING EXTREMIST CRIMES USING THE EXAMPLE OF JOINT TYPE INSTITUTIONS KW joint type institutions KW counteraction to extremist crimes KW correction of convicts KW prevention of crimes and other offenses KW parole KW preventive accounting KW religious organizations JO Penal law AU Skiba, A.P. AU Petrjanin, A.V. PY 2025 IS 20 PB Academy of the FPS of Russia