https://ecipe.org/wp-content/uploads/2022/05/ECI_22_PolicyBrief_GVC2_06_2022_LY04.pdf
https://www.mofa.go.jp/files/100114853.pdf
https://www.nao.org.uk/wp-content/uploads/2018/01/Implementing-the-UKs-exit-from-the-European-Union-the-Deparment-for-International-Trade.pdf
http://visual.ons.gov.uk/trading-places-uk-goods-trade-with-eu-partners/