ORGANISATIONAL AND ECONOMIC PRINCIPLES OF FORMATION OF ENTREPRENEURIAL ACTIVITY IN THE FIELD OF ADVERTISING SERVICES Authors Y. Lipsky https://orcid.org/0009-0009-8483-5833 DOI: https://doi.org/10.32702/2306-6814.2025.9.118 Downloads pdf (Українська) Published 2025-05-06 Issue No. 9 (2025): Investytsiyi: praktyka ta dosvid Section Статті