00692naa#a2200169#i#450# EN\FGKOU VO SPBU MVD ROSSII\bibl\115168 20260218060527.3 2227-7226 20230930b2023####ek#y0engy0150####ca RU On some areas of activity to prevent and prevent incidents of mass violence in educational organizations in Russia Journal article St. Petersburg SAINT-PETERSBURG UNIVERSITY OF THE MINISTRY OF INTERNAL AFFAIRS OF THE RUSSIAN FEDERATION 2023 3 с. Journal article local Общая часть уголовного права. 343.2 Erofeev Roman Anatolyevich vestnikkf.ru