
https://www.niesr.ac.uk/sites/default/files/UK%20Economy%20Press%20Release%20-NIER%20No245%20%20August%202018%20-%20EMBARGOED%20until%2000.01%20Wednesday%201st%20August.pdf

http://www.britishchambers.org.uk/press-office/press-releases/bcc-no-deal-not-an-option-for-business-communities.html

https://www.oecd-ilibrary.org/docserver/cb6d9eca-en.pdf?expires=1654579866&id=id&accname=guest&checksum=058AA472061C4F1B77F0DDF5D1BCBA31