https://www.socialeurope.eu/2017/06/underestimating-austeritys-impact/
http://www.dw.com/en/turkey-eu-relations-which-countries-are-for-or-against-turkish-accession/a-40381533
https://data.consilium.europa.eu/doc/document/ST-14065-2022-INIT/en/pdf
http://www.progressives-zentrum.org/wp-content/uploads/2018/10/Les-Oubliés-Entretiens-sur-les-terres-où-prospère-le-vote-extrême_Das-Progressive-Zentrum_Johannes-Hillje.pdf