http://library.fes.de/pdf-files/bueros/budapest/15322-20190505.pdf
https://www.euronews.com/2018/10/31/austria-follows-us-and-hungary-in-withdrawing-from-un-migration-pact?utm_source=newsletter&utm_medium=en&utm_content=austria-follows-us-and-hungary-in-withdrawing-from-un-migration-pact&_ope=eyJndWlkIjoiZjU3Y2JhYmUwMGUxZDFiNTUxOTU1ZDljNzExNTI1MmEifQ%3D%3D
https://www.opendemocracy.net/en/can-europe-make-it/rest-and-west-thoughts-on-brexit-and-migration-part-one/
https://undocs.org/en/A/CONF.231/3
https://www.gainesvilletimes.com/opinion/letter-why-mexico-border-wall-probably-waste-time-money/
http://publications.iom.int/system/files/pdf/global_migration_indicators_2018.pdf
https://es.insightcrime.org/noticias/analisis/gamechangers-2018-crimen-ideologia/
https://www.unhcr.org/gcr/GCR_English.pdf
https://assets.publishing.service.gov.uk/government/uploads/system/uploads/attachment_data/file/766465/The-UKs-future-skills-based-immigration-system-print-ready.pdf
http://HTTPS://WWW.NRC.NL/NIEUWS/2018/12/07/DIE-INFO-OORLOG-WAS-DE-BEDOELING-A3059908?FBCLID=IWAR34TL6J7DLM_CVARMMSXYYNR1MUQKQY-NIIZI4TSDFCC-K0V2HQGZMKHE4&UTM_SOURCE=POLITICO.EU&UTM_CAMPAIGN=DACEE2ECC0-EMAIL_CAMPAIGN_2018_12_1