ZVYAGINTSEVA, Elena, 		EPISHEVA, Olga, 		TSYGANKOVA, Elena, 		AZAROVA, Ofeliia, AND 		SHELYGOV, Aleksandr.
" Functional Aspects of the Development of International Tourism" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 11 Number 4 (30 June 2020)