
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef20003en.pdf

https://assets.ctfassets.net/rdwvqctnt75b/7iQEHtrkIbLcrUkduGmo9b/cb429a657e97cad61e61853c05c8c4d1/Hansard-Society__Audit-of-Political-Engagement-16__2019-report.pdf

https://www.ipsos.com/sites/default/files/files-fr-fr/doc_associe/rapport-d-etude_perils-of-perception-2016.pdf