BERESNEV, Dmitrii, 		FILIMONOVA, Nadezhda, 		VERSHININA, Olga, 		KUVSHINOVA, Yuliya, AND 		MOSKVITI, Gennadii.
" Key Features of the Activity of Tourism Firms within the Russian Federation. The Financial Aspect" <em>Journal of Environmental Management and Tourism</em> [Online], Volume 9 Number 2 (26 June 2018)