
https://ec.europa.eu/commission/presscorner/api/files/document/print/en/ip_22_1511/IP_22_1511_EN.pdf

https://rusi.org/sites/default/files/the_silent_threat_web_version.pdf

https://www.ips-journal.eu/topics/foreign-and-security-policy/a-message-of-disunity-7363/