00489naa#a2200157#i#450# EN\\bibl\34164 20240722151635.1 2686-777X 20191211b2019####ek#y0engy0150####ca RU Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2019 0 с. Journal article local Zapevalina Ol'ga Vasil'evna angtu.editorum.ru