Ecotourism framework as an ecological reference point in the development of tourism in Altai: Original Paper. Anthropogenic Transformation of Nature, [S. l.], v. 12, n. 2, p. 7–18, 2026. DOI: 10.17072/. Disponível em: https://press.psu.ru/index.php/atps/article/view/12359. Acesso em: 11 nov. 2026.