http://wir2018.wid.world/files/download/wir2018-full-report-english.pdf
https://www.socialeurope.eu/2017/06/trade-unions-and-the-decline-of-social-democracy/
https://ecfr.eu/wp-content/uploads/2022/12/Broken-Dream-The-oligarch-Russia-and-Georgias-drift-from-Europe.pdf