1. Bardakhanova T. B., Sharaldayeva V. D., Maksanova L. B.-Zh. Concessions in the sphere of tourism in national parks: features and development stages // BSU bulletin. Economy and Management [Vestnik Buryatskogo gosudarstvennogo universiteta. Ekonomika i menedzhment]. 2021. N 3. Pp. 8–18. (In Rus).
2. Eliseyev O. A., Lukyanov A. S. About system assessment of economically acceptable resources of the oil-and-gas provinces of Russia taking into account innovative technologies // Georesursa, the geopower engineering specialist, geopolitics [Georesursy, geoenergetika, geopolitika.]. 2014. N 1 (9). Pp. 9–21. URL: http://oilgasjournal.ru/vol_9/eliseeva.html (date of the address: 20.07.2022). (In Rus).
3. Iskritskaya N. I., Makarevich V. N., Shepochkina A. A. Change of structure of hardly removable reserves of oil in connection with transition to new classification // Petroleum Geology — Theoretical and Applied Studies [Neftegazovaya geologiya. Teoriya i praktika.]. 2016. Vol. 11. N 4. URL: http://www.ngtp.ru/rub/3/44_2016.pdf (date of the address: 20.07.2022). (In Rus).
4. Karpunina E. K. Transformation as way of development of an economic system // TSU Bulletin [Vestnik TGU]. 2011. N 4 (96). Pp. 27–35. (In Rus).
5. Kuklina E. A. Transformation of industrial territories in realities of the Russian economy (on an example Closed administrative-territorial entity Zheleznogorsk) // Russia: Trends and prospects of development. Year-book. Issue 16: Materials XX of the National scientific conference with the international participation “Modernization of Russia: priorities, problems, decisions” / RAS INION. Moscow, 2021. Part 1. Pp. 1017–1020. (In Rus).