Features of Promotion and Sale of Tourist Products in 2020-2021. Science Outpost, [S. l.], v. 15, n. 3, p. 8–11, 2021. DOI: 10.36683/2076-5347-2021-3-57-8-11. Disponível em: https://forpost-nauki.owebs.ru/article/view/5520. Acesso em: 28 sep. 2026.