PECULIARITIES OF FUNCTIONING OF AN INTEGRATED BUSINESS STRUCTURE AS AN ENVIRONMENT FOR PROJECT PORTFOLIO IMPLEMENTATION Authors A. Babenko https://orcid.org/0009-0007-6618-6775 DOI: https://doi.org/10.32702/2307-2105.2026.3.178 Downloads pdf (Українська) Published 2026-03-20 Issue No. 3 (2026): Efektyvna ekonomika Section Статті