http://ukpovertyaudit.org/assets/2017/pdfs/ASAP_UK_Poverty_Audit_2017.pdf
https://blogs.lse.ac.uk/europpblog/2023/03/31/what-to-expect-from-sundays-election-in-bulgaria/
http://library.fes.de/pdf-files/bueros/wien/19110-20220517.pdf
https://www.socialeurope.eu/2017/06/trade-unions-and-the-decline-of-social-democracy/