http://www.kasparov.ru/material.php?id=617293B719EFC
http://region.expert/republic/
https://jamestown.org/program/the-kremlin-is-pleased-after-kozak-nuland-talks-on-ukraine-part-two/
https://jamestown.org/program/the-kremlin-is-pleased-after-kozak-nuland-talks-on-ukraine-part-one/
https://www.bbc.com/russian/features-40340292
http://www.kasparov.ru/material.php?id=616C376877BC1§ion_id=444F8A447242B