https://www.foreignaffairs.com/articles/russian-federation/2020-06-09/pinning-down-putin
https://ru.krymr.com/a/pavel-kazarin-ukrainskiy-mif-o-kryme/30459243.html
https://ru.krymr.com/a/donbass-o-krymskoy-vesne/30458570.html
https://www.inopressa.ru/article/06Jan2020/welt/demografie.html