https://policyexchange.org.uk/wp-content/uploads/2022/11/Qatar-Friend-or-Frenemy.pdf
https://nationalinterest.org/feature/vladimir-putin-real-lessons-75th-anniversary-world-war-ii-162982
https://www.koerber-stiftung.de/fileadmin/user_upload/koerber-stiftung/redaktion/the-berlin-pulse/pdf/2020/Koerber_TheBerlinPulse_Grafikteil_Deutsch.pdf
https://www.nzz.ch/international/radikales-regime-wie-sich-der-kreml-unter-wladimir-putin-radikalisierte-ld.1755674?reduced=true