https://theconversation.com/pedro-sanchez-se-aferra-al-liderazgo-comienza-un-nuevo-momento-politico-en-espana-228929
https://knowledge4policy.ec.europa.eu/sites/default/files/foresight_briefme.pdf
https://ici.radio-canada.ca/nouvelle/2081501/elections-france-rassemblement-national-renaissance-analyse