The COVID-19 Crisis and the Closure of External Borders: Another Stress-test for the Challenging Construction of Solidarity Within the EU? Pubblicato daAidc DpceNovembre 16, 2020Pubblicato in: Uncategorized The COVID-19 Crisis and the Closure of External Borders: Another Stress-test for the Challenging Construction of Solidarity Within the EU? by Luisa Marin