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2. Amnesty International (2021), UE: l’anniversario dell’accordo con la Turchia mette in guar- dia da altri pericolosi patti in materia d’immigrazione, 15 marzo, https://www.amnesty.it/ue-lanniversario-dellaccordo-con-la-turchia-mette-in-guardia-da-altri-pericolosi-patti-in-materia-dimmigrazione/.
3. Balkan Insight (2015), Slovenia Starts Building Fence on Croatia Border, -- https://balkaninsight.com/2015/11/11/slovenia-setting-a-fence-on-border-with-croatia-11-11-2015/.
4. Brmc (Balkan Refugee and Migration Council) (2020), Common Western Balkan Migration Policy: Borders and Returns. Regional Policy Paper II, -- https://www.grupa484.org.rs/h-content/uploads/2020/11/BRMC-Policy-Paper-II-grupa-484.pdf.
5. Cnbc (2015), Macedonian army starts building fence on Greek border, -- https://www.cnbc.com/2015/11/28/macedonianarmystartsbuildingfenceongreekborder.html.