http://www.russellgroup.ac.uk/media/5521/rg-international-students-june-2017.pdf
https://ec.europa.eu/commission/sites/beta-political/files/slides_on_uk_technical_note_on_temporary_customs_arrangements.pdf
https://conservativehome.com/2022/05/11/the-northern-ireland-protocol-the-options-boil-down-to-hoping-the-eu-backs-down-or-offering-it-a-new-deal/