MAIN STAGES OF PRE-INVESTMENT ANALYSIS AND PREPARATION OF AN INVESTMENT PROPOSAL FOR INFRASTRUCTURE PROJECTS Authors Y. Kolesan https://orcid.org/0009-0005-7052-1957 DOI: https://doi.org/10.32702/2307-2105.2026.4.177 Downloads pdf (Українська) Published 2026-04-23 Issue No. 4 (2026): Efektyvna ekonomika Section Статті