https://ukandeu.ac.uk/the-german-or-french-way-international-interdependence-vs-european-sovereignty/?mc_cid=50b7d10115&mc_eid=815b1928ec
https://www.pymnts.com/news/b2b-payments/2020/deloitte-becomes-first-of-big-four-to-break-up-business/
https://www.legifrance.gouv.fr/affichTexte.do?cidTexte=LEGITEXT000006070722