https://publications.parliament.uk/pa/cm201719/cmselect/cmhaff/961/961.pdf
http://publications.iom.int/system/files/pdf/wmr_2018_en.pdf
http://library.fes.de/pdf-files/bueros/budapest/15322-20190505.pdf
https://www.politico.eu/article/eu-pledges-help-lithuania-migration-belarus-alexander-lukashenko/?utm_source=POLITICO.EU&utm_campaign=766e83f532-EMAIL_CAMPAIGN_2021_08_04_05_03&utm_medium=email&utm_term=0_10959edeb5-766e83f532-190380769