https://www.svoboda.org/a/31423706.html
https://www.svoboda.org/a/proishodit-li-stabilizatsiya-sistemy-putina/31392773.html
https://www.rosbalt.ru/blogs/2021/08/04/1914574.html
http://region.expert/elections2021/
https://www.kommersant.ru/doc/4919060
https://www.politico.com/news/2021/07/27/russian-critics-biden-putin-relationship-500818
https://novayagazeta.ru/articles/2021/07/27/partiia-s-pritsepom
https://newtimes.ru/articles/detail/204886?fcc