00646naa#a2200181#i#450# EN\\bibl\41163 /en/manage/index 20250826090109.2 2686-777X 20201215b2020####ek#y0engy0150####ca RU MANAGEMENT OF VALUE-ADDED Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2020 3 с. Journal article local Экономика. Экономические науки. 65 bbk Bychkova Gul'fira Mubarakovna fht.editorum.ru /en/manage/index