HRAFSKA, O. I.; PETRYSHYN, D. Yu.; BOIECHKO, L. A. Diversification of Activities of Ecotourism Enterprises in Administrative-Territorial Units of Lviv Oblast. Current issues of economic sciences, [S. l.], n. 23, 2026. DOI: 10.5281/zenodo.20187681. Disponível em: https://www.a-economics.com.ua/index.php/home/article/view/1454. Acesso em: 28 sep. 2026.