https://www.adimblog.com/wp-content/uploads/2022/12/5.-Romeo_Flussi_DEF.pdf
https://www.eurofound.europa.eu/sites/default/files/ef_publication/field_ef_document/ef1714en.pdf
https://www.unfpa.org/data/world-population-dashboard
https://www.bruegel.org/event/war-ukraine-what-effect-central-and-eastern-europe