https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1710en.pdf
https://urldefense.com/v3/__http:/liseuse.harmattan.fr/978-2-343-22496-1__;!!DOxrgLBm!RvRbHRx6Kt_Im0YooeSKul-1pdH3rrehJbewxga1m1XfdG_l66dacHGtbssMnGHPjvgLKb6ClUlbH3wttsPZTQ$
https://static.rasset.ie/documents/news/2020/06/programmeforgovernment-june2020-final.pdf
https://www.adamsmith.org/adam-smith-lecture/