GERGIEV, I.E. ECOTOURISM AS A FACTOR OF SUSTAINABLE DEVELOPMENT OF RUSSIAN REGIONS. Management Issues, [S. l.], v. 39, n. 3, p. 104–112, 2019. DOI: 10.22394/2304-3369-2019-3-104-112. Disponível em: https://voprosy-upravleniya.owebs.ru/article/view/24742. Acesso em: 9 nov. 2026.