Sorokin, Dmitry Evgenievich, Vladimir Nasibullovich Sharafutdinov, and Elena Vasilyevna Onishchenko. 2017. “On the Problems of Strategic Development of Tourism in the Regions of Russia (Case of the Krasnodar Region and the Resort City of Sochi)”. Economy of Regions 13 (3):764-76. https://doi.org/10.17059/2017-3-10.