http://The European Social Pillar – Towards An EU Minimum Wage Policy?
https://www.swp-berlin.org/publikation/majority-voting-on-foreign-policy-decisions-a-transitional-approach-needs-parliamentary-oversight
https://www.ips-journal.eu/topics/european-integration/he-came-in-like-a-wrecking-ball-7658/
https://www.instituteforgovernment.org.uk/sites/default/files/publications/IFGJ5327_Report_Brexit_Civil_Service_080317_WEB.pdf