00601naa#a2200169#i#450# EN\\bibl\41163 20240507235912.2 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 angtu.editorum.ru