https://visegradinsight.eu/viktor-orbans-latest-move/
https://www.elysee.fr/admin/upload/default/0001/06/b6d6d489f677358036fcc00c43d51f7a4213b233.pdf
https://www.socialeurope.eu/wp-content/uploads/2019/09/Occ-Pap-14.pdf
http://hungarianspectrum.org/2017/07/19/meeting-of-the-minds-benjamin-netanyahu-and-the-visegrad-4/