
http://publications.iom.int/system/files/pdf/wmr_2018_en.pdf

https://theconversation.com/quien-puede-convertirse-en-ciudadano-espanol-vericuetos-legales-para-obtener-la-nacionalidad-223771

https://blogs.lse.ac.uk/europpblog/2023/12/05/compensation-for-displaced-workers-is-unlikely-to-halt-the-rise-of-protectionism-in-europe/