ZVYAGINTSEVA, Elena Petrovna et al. Functional Aspects of the Development of International Tourism. Journal of Environmental Management and Tourism, [S.l.], v. 11, n. 4, p. 955-959, june 2020. ISSN 2068-7729. Available at: <https://journals.aserspublishing.eu/jemt/article/view/5224>. Date accessed: 25 apr. 2024. doi: https://doi.org/10.14505//jemt.11.4(44).19.