
http://oegfe.at/wordpress/2017/05/the-free-movement-of-workers-within-the-eu-and-the-case-of-austria-balancing-distortions-and-adding-value-op-ed-paul-schmidt-the-european-financial-review/

https://www.government.nl/documents/speeches/2018/09/24/speech-by-the-minister-of-foreign-affairs-stef-blok-to-kick-off-a-lunchtime-session-on-%E2%80%98action-against-human-trafficking-sanctions-accountability-and-the-rule-of-law%E2%80%99

https://blogs.lse.ac.uk/europpblog/2023/11/21/how-eu-integration-has-affected-economic-redistribution-in-central-and-eastern-europe/