Current Trends in Travel Industry in Russia. Science Outpost, [S. l.], v. 15, n. 3, p. 4–7, 2021. DOI: 10.36683/2076-5347-2021-3-57-4-7. Disponível em: https://forpost-nauki.owebs.ru/article/view/5519. Acesso em: 28 sep. 2026.