http://region.expert/defederalization/
https://hvylya.net/analytics/244375-ultimatum-putina-i-rossiysko-ukrainskaya-voyna-2022
https://www.ng.ru/politics/2021-12-24/03_8335_polit2.html
https://snob.ru/news/chto-skazal-vladimir-putin-na-press-konferencii-korotko/
http://www.kasparov.ru/material.php?id=61C19701BA317
http://region.expert/bashkorts/
https://edition.cnn.com/2021/12/19/politics/joe-biden-russia-ukraine-obama-2014/index.html
https://ru.krymr.com/a/rossiya-zapad-nato-ukraina-naprayzhennost-vtorzheniye-ugroza/31614512.html