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http://retirementgenius.co.uk/russian-language-in-decline-amid-post-soviet-rejection/
https://day.kyiv.ua/ru/article/den-planety/vashington-moskva-i-ukrainskiy-vopros
https://focus.ua/society/370360/
https://politeka.net/426721-andrey-teteruk-gibridnuyu-voynu-vyigraem-tolko-gibridnym-putem/