https://jamestown.org/program/russias-cossacks-strategic-asset-or-financial-liability/
https://foreignpolicy.com/2021/10/14/scientists-space-russia-paranoia-elite-corruption/
https://www.rosbalt.ru/blogs/2021/10/14/1926168.html
https://carnegie.ru/commentary/85526
http://region.expert/newpeople/
https://www.rosbalt.ru/blogs/2021/10/06/1924700.html