https://www.svoboda.org/a/kak-krasnaya-armiya-vzryvala-kiev/31467844.html
https://www.svoboda.org/a/31467728.html
https://jamestown.org/program/the-russian-elections-and-hidden-regionalist-politics/
http://region.expert/no-parties/
https://analytics.hvylya.net/237377-istoricheskie-oshibki-vladimira-putina