АРХІПОВА, Г.; ЯРОВА, С. Ecotourism in the territories and objects protected areas. Proceedings of National Aviation University (archive), [S. l.], v. 39, n. 2, p. 100–104, 2009. DOI: 10.18372/2306-1472.39.1720. Disponível em: http://jrnl.kai.edu.ua/index.php/visnik/article/view/1720. Acesso em: 16 apr. 2026.