https://www.socialeurope.eu/2017/07/49234/
https://www.bruegel.org/event/war-ukraine-what-effect-central-and-eastern-europe
http://www.resolutionfoundation.org/app/uploads/2018/02/IC-international.pdf
https://www.adimblog.com/wp-content/uploads/2022/12/5.-Romeo_Flussi_DEF.pdf