ECONOMIC ESSENCE AND TYPES OF EFFECTIVENESS OF THE COMPANY'S DEVELOPMENT OF SYSTEM INTEGRATION OF IT SOLUTIONS Authors S. Fedorov https://orcid.org/0009-0003-9182-2965 DOI: https://doi.org/10.32702/2307-2105.2026.3.162 Downloads pdf (Українська) Published 2026-03-20 Issue No. 3 (2026): Efektyvna ekonomika Section Статті