
https://wiiw.ac.at/still-in-the-fast-lane-how-can-eu-cee-get-its-groove-back-dlp-6997.pdf

https://publications.parliament.uk/pa/cm201719/cmselect/cmintrade/520/520.pdf

https://www.publico.pt/2020/07/15/politica/opiniao/valores-nao-negoceiam-sao-objeto-compra-venda-1924561