https://socialeurope.eu/switzerland-defending-workers-rights
http://visegradinsight.eu/app/uploads/2019/11/EaP-2030-Trends.pdf
https://www.brookings.edu/research/is-long-covid-worsening-the-labor-shortage/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=200588850&utm_source=hs_email
https://www.boeckler.de/pdf/p_imk_report_125e_2017.pdf