https://novayagazeta.ru/articles/2021/09/18/pereproshitaia-rossiia
https://www.rosbalt.ru/world/2021/09/15/1921413.html
https://jamestown.org/program/the-russian-elections-and-hidden-regionalist-politics/
https://theins.ru/opinions/matizen/244867
https://novayagazeta.ru/articles/2021/09/09/po-doroge-v-shatdaun
http://www.kasparov.ru/material.php?id=613900530B375§ion_id=444F8A447242B