http://region.expert/defederalization/
https://hvylya.net/analytics/244375-ultimatum-putina-i-rossiysko-ukrainskaya-voyna-2022
https://www.kommersant.ru/doc/5153367
https://novayagazeta.ru/articles/2021/12/27/den-osvobozhdeniia
https://www.levada.ru/2021/12/24/nostalgiya-po-sssr-3/
https://novayagazeta.ru/articles/2021/12/24/raspad-i-potom