00655naa#a2200169#i#450# EN\\bibl\48053 20240507095855.2 2686-777X 20220112b2022####ek#y0engy0150####ca RU EVALUATION OF THE EFFECTIVENESS OF THE SMALL BUSINESS PRODUCT PORTFOL Journal article Angarsk Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University» 2022 3 с. Journal article local Общие вопросы экономических наук. 06.01 grnti Bychkova Gul'fira Mubarakovna angtu.editorum.ru