https://www.ifri.org/sites/default/files/atoms/files/ifri_inozemstev_exode_juillet_2023.pdf
https://ec.europa.eu/commission/publications/position-paper-essential-principles-citizens-rights_en
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/695321/An_inspection_of_exit_checks.pdf
https://ukandeu.ac.uk/increased-immigration-from-non-eu-countries-not-just-a-british-phenomenon/