
https://rusi.org/sites/default/files/201905_op_which_rules_why_there_is_no_single_rules_based_international_system_web.pdf

https://www.cer.eu/sites/default/files/insight_CB_US_24.10.22.pdf

https://wiiw.ac.at/keeping-friends-closer-why-the-eu-should-address-new-geoeconomic-realities-and-get-its-neighbours-back-in-the-fold-dlp-6487.pdf