https://theconversation.com/idea-of-eu-citizenship-still-intangible-for-most-europeans-230994
https://ecfr.eu/wp-content/uploads/Beyond-Merkelism-What-Europeans-expect-of-post-election-Germany.pdf
https://visegradinsight.eu/central-europe-in-2020/
https://ec.europa.eu/commission/sites/beta-political/files/seminar-20200114-lpf_en.pdf