https://jamestown.org/program/taliban-triumph-in-afghanistan-echoes-in-russias-north-caucasus/
https://jamestown.org/program/kalmykia-russias-emerging-powder-keg/
https://www.svoboda.org/a/proishodit-li-stabilizatsiya-sistemy-putina/31392773.html
https://www.mk.ru/social/2021/07/30/mikhail-shvydkoy-priostanavlivat-dialog-oshibochnyy-podkhod.html
https://www.dw.com/ru/gubernatorskie-vybory-v-rossii-kakih-sjurprizov-mozhno-zhdat/a-58690501
http://region.expert/elections2021/
https://www.kommersant.ru/doc/4919060
https://www.ng.ru/economics/2021-07-23/100_153223072021.html