HUTSAL, Liudmyla. Excursion business in the context of sustainable tourism development. Journal of Education, Health and Sport, [S. l.], v. 13, n. 2, p. 377–391, 2023. DOI: 10.12775/JEHS.2023.13.02.053. Disponível em: https://apcz.umk.pl/JEHS/article/view/55962. Acesso em: 28 jun. 2025.