https://ukandeu.ac.uk/wp-content/uploads/2021/11/Brexit-and-Services-Trade-Working-Paper.pdf
https://trade.ec.europa.eu/doclib/docs/2021/february/tradoc_159438.pdf
https://www.politico.eu/article/ursula-von-der-leyen-joe-biden-trade-europe-first-brussels-gets-ready-to-dump-its-free-trade-ideals/
https://www.cecimo.eu/wp-content/uploads/2022/01/OP0122_Paper.pdf