http://ec.europa.eu/epsc/sites/epsc/files/epsc_europe_is_back_trends_jan.pdf
https://kyivindependent.com/carl-bildt-the-return-of-eu-enlargement/
https://www.nao.org.uk/wp-content/uploads/2018/01/PFI-and-PF2.pdf
https://www.socialeurope.eu/2017/06/stronger-pay-increases-are-not-enough/