IMPLEMENTATION OF STATE POLICY PRINCIPLES FOR IMPROVING CHILDREN'S HEALTH THROUGH CHILDREN'S HEALTH TOURISM Authors O. Vivsyannyk https://orcid.org/0000-0002-9373-047X DOI: https://doi.org/10.32702/2306-6814.2025.10.221 Downloads pdf (Українська) Published 2025-05-15 Issue No. 10 (2025): Investytsiyi: praktyka ta dosvid Section Статті