https://saiia.org.za/wp-content/uploads/2023/07/SAIIA_PB_272_AfricaGovernanceTrajectory.pdf
https://www.ipg-journal.de/rubriken/aussen-und-sicherheitspolitik/artikel/die-maer-vom-trumpschen-rachefeldzug-4437/
http://www.cer.org.uk/sites/default/files/insight_JS_9.5.17.pdf
https://www.hrw.org/news/2017/05/15/eu-should-step-pressure-poland