https://www.dsnews.ua/world/demarsh-v-nato-i-ataka-na-obse-chto-zateyal-kreml-19102021-440160
https://jamestown.org/program/russias-cossacks-strategic-asset-or-financial-liability/
https://www.rosbalt.ru/blogs/2021/10/14/1926168.html
https://novayagazeta.ru/articles/2021/10/07/padenie-krymskoi-imperii
https://carnegie.ru/commentary/85526
http://region.expert/newpeople/