http://region.expert/defederalization/
https://www.bbc.com/russian/news-59810520
https://www.levada.ru/2021/12/24/nostalgiya-po-sssr-3/
https://nvo.ng.ru/nvo/2021-12-23/2_1171_nvoweek.html
https://www.rosbalt.ru/moscow/2021/12/23/1937064.html
https://www.rbc.ru/newspaper/2021/12/22/61c1a9509a79476aa5e6b2cf
https://www.levada.ru/2021/12/22/rossiyane-o-roste-tsen-stoimosti-nefti-i-kurse-valyut/