https://www.levada.ru/2021/09/06/protestnye-nastoeniya/
https://www.dw.com/ru/vybory-v-gosdumu-2021-mozhno-li-verit-socoprosam-v-rossii/a-59026593
http://www.kasparov.ru/material.php?id=61169B05C4361§ion_id=444F8A447242B
https://www.svoboda.org/a/31404294.html
https://www.svoboda.org/a/proishodit-li-stabilizatsiya-sistemy-putina/31392773.html
https://www.znak.com/2021-07-30/opros_rossiyane_stali_menshe_doveryat_putinu