https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef22029en.pdf
https://ukandeu.ac.uk/what-sunaks-tax-return-tells-us-about-the-uk-tax-system/
https://focusweb.org/wp-content/uploads/2002/11/GlobalFoodCrisis2022_Dossier.pdf
http://www.inegalites.fr/spip.php?page=analyse&id_article=2289&id_rubrique=64&id_mot=30&id_groupe=9