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http://www.gks.ru
. Last accessed 22 Mar 2019
2. Russian Federation Federal State Statistics Service.
http://www.gks.ru
. Last accessed 15 Mar 2019
3. The Central Bank of the Russian Federation official site.
http://www.cbr.ru/eng/
. Last accessed 22 Mar 2019
4. Ministry of Economic Development of the Russian Federation official website.
http://economy.gov.ru/minec/main
. Last accessed 22 Mar 2019
5. Ministry of science and higher education Russian Federation official website.
https://minobrnauki.gov.ru/
. Last accessed 21 Feb 2019