Maksymenko , N. V., and Y. S. Korotetska. “Innovations in the Organization of Ecological (green) Tourism: Regional Peculiarities”. Visnyk of V. N. Karazin Kharkiv National University. Series Еcоlogy, no. 32, June 2025, pp. 39-60, doi:10.26565/1992-4259-2025-32-03.