Arpentieva, Mariam R., Petr V. Menshikov, Natalya V. Kuznetsova, and Irina V. Gorelova. 2020. “Esoteric Tourism As a Niche Type of Tourism: Opportunities and Ways of Human Self-Improvement”. Services in Russia and Abroad 14 (5/92). Moscow, Russia:6-25. https://doi.org/10.24411/1995-042X-2020-10501.