
https://www.project-syndicate.org/commentary/nato-at-75-unique-source-of-american-power-in-the-world-by-carla-norrlof-2024-04?barrier=accesspaylog

https://home.kpmg.com/content/dam/kpmg/nl/pdf/2018/sector/overheid/impact-van-non-tarifaire-handelsbelemmeringen-als-gevolg-van-brexit.pdf

https://www.swp-berlin.org/publications/products/comments/2022C35_Turkey_RelationsRussia.pdf