OSADCHUK, Mikhail, TRUSHIN, Maxim, OSADCHUK, Alexey, MIRONOVA, Ekaterina, SOLODENKOVA, Karina, AND LAZAREVA, Alisa. " Rehabilitation Tourism Opportunities in the Russian Federation for Recovering COVID-19 Patients" Journal of Environmental Management and Tourism [Online], Volume 11 Number 7 (30 November 2020)