https://www.ifri.org/sites/default/files/atoms/files/tardis_immigration-democratie_janv2023.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/766465/The-UKs-future-skills-based-immigration-system-print-ready.pdf
https://ec.europa.eu/commission/publications/position-paper-essential-principles-citizens-rights_en
https://blogs.lse.ac.uk/europpblog/2023/11/21/how-eu-integration-has-affected-economic-redistribution-in-central-and-eastern-europe/