Charles
E. Ziegler, The
History of Russia,
Greenwood
Press, Westport, CT, 1999
http://en.wikipedia.org
http://invest.gov.ru
http://missinglink.ucsf.edu/
http://unstats.un.org
http://www.embrusscambodia.mid.ru/
http://www.gotoaltay.com/
http://www.historytoday.com/
http://www.moscow.info/
http://www.quandl.com/
http://www.rciventures.com/
http://www.rusemb.org.uk/
http://www.waytorussia.net/
https://www.economy.com
John M.
Thompson,
Russia and the Soviet
Union: An Historical Introduction from the Kievan State to the
Present, Westview
Press, Boulder, CO, 1998
Report “Travel
and Tourism in Russia to 2017”
from web-site ReportsnReports.com
