00719naa#a2200181#i#450# EN\\bibl\106718 20251218043434.4 2413-2527 20251215b2025####ek#y0engy0150####ca RU Implementation of the Role-Based Access Control Model (Mutually Exclusive Roles Model) at Higher Education Institution Journal article Saint-Petersburg FSBEI HE "Emperor Alexander I St. Petersburg State Transport University" 2025 11 с. Journal article local Безопасность, защищённость данных. 004.056 Kornienko Svetlana Vladimirovna Protasov Maksim Sergeevich itt-pgups.ru