https://freedomhouse.org/sites/default/files/Feb2019_FH_FITW_2019_Report_ForWeb-compressed.pdf
https://www.socialeurope.eu/wp-content/uploads/2019/09/Occ-Pap-14.pdf
https://www.ips-journal.eu/topics/democracy-and-society/a-private-militia-for-an-arsonist-6620/?utm_campaign=en_1086_20230404&utm_medium=email&utm_source=newsletter
https://www.ipg-journal.de/regionen/europa/artikel/detail/national-oekologisches-patchwork-3976/