https://theconversation.com/investidura-o-bloqueo-y-vuelta-a-las-urnas-a-que-se-va-a-enfrentar-espana-210241
https://ukandeu.ac.uk/the-german-or-french-way-international-interdependence-vs-european-sovereignty/?mc_cid=50b7d10115&mc_eid=815b1928ec
https://www.strategie.gouv.fr/sites/strategie.gouv.fr/files/atoms/files/fs-2022-rapport-soutenabilites-7mai-17h-final-synthese.pdf