00721naa#a2200193#i#450# EN\\bibl\91386 20250104233123.6 2658-6436 20241220b2024####ek#y0engy0150####ca RU HIERARCHICAL LEVELS OF CONFIDENTIALITY OF INDUSTRIAL ENTERPRISES’ INFORMATION RESOURCES DEPENDING ON STAGES OF THE PRODUCTION LIFE CYCLE Journal article Bryansk Bryansk State Technical University 2024 6 с. Journal article local Ограничение доступа. 004.056.52 Kuznetsova Nataliya Mihailovna Karlova Tatyana Viacheslavovna Bekmeshov Aleksandr Yur'evich bstu.editorum.ru