https://www.radiosvoboda.org/a/arestovych-putin-biden-viyna-donbas/31604580.html
https://hvylya.net/analytics/243252-virtualnyy-sammit-putina-baydena-analiz-osnovnyh-itogov
https://www.rosbalt.ru/russia/2021/12/10/1935140.html
https://ru.krymr.com/a/portnikov-rossia-rodnoy-yazyk-vyvesky-metro-moskva-fadeyev/31599430.html
https://www.ng.ru/economics/2021-12-01/1_8315_investments.html
https://www.kommersant.ru/doc/5100324