https://www.socialeurope.eu/sps-snatching-renewal-jaws-defeat
http://www.msz.gov.pl/en/news/deputy_minister_renata_szczech_takes_part_in_a_debate_on_europe_s_future
https://onlinelibrary.wiley.com/doi/epdf/10.1111/jcms.13411
https://www.socialeurope.eu/is-spain-on-the-right-track