https://theconversation.com/quien-puede-convertirse-en-ciudadano-espanol-vericuetos-legales-para-obtener-la-nacionalidad-223771
https://english.alaraby.co.uk/features/how-kais-saied-uses-irregular-migration-political-gain
https://www.gov.uk/government/news/baroness-anelays-speech-at-the-polish-social-and-cultural-association