Kabanova, E. E., E. V. Frolova, N. V. Medvedeva, M. V. Vinichenko, and I. Y. Shimanskaya. “Cultural and Educational Tourism in the Russian Federation: Basic Problems and Development Resources”. International Review of Management and Marketing, vol. 6, no. 5S, Aug. 2016, pp. 206-10, https://econjournals.com/index.php/irmm/article/view/2818.