https://www.ipsos.com/en/what-worries-world
https://www.coe.int/t/dg4/intercultural/source/white%20paper_final_revised_en.pdf
https://www.esri.ie/system/files/publications/WP677_0.pdf
http://www.lecese.fr/sites/default/files/pdf/Fiches/2017/FI13_raef.pdf http://www.lecese.fr/images/colloque/RAEF2017/RAEFVersionSection2.pdf