https://www.politico.eu/article/pedro-sanchez-spain-election-parliament-2023-catalan-independence/
https://www.jean-jaures.org/publication/accord-de-bougival-les-difficultes-de-trouver-le-chemin-vers-le-nous-en-nouvelle-caledonie/?post_id=70117&export_pdf=1
https://www.socialeurope.eu/2017/06/the-case-for-an-investment-state/
https://theconversation.com/investidura-o-bloqueo-y-vuelta-a-las-urnas-a-que-se-va-a-enfrentar-espana-210241