1. Anderson, Michael et al. (2020). “Covid-19 exposes weaknesses in European response to outbreaks”, British Medical Journal, 2020;368:m1075, p.1-2.
2. Aydın, Mustafa and Sinem Akgül-Açıkmeşe (26 April 2020). “Avrupa Covid-19 salgınından nasıl etkilendi? AB’nin dayanışma prensibi neden çöktü? Avrupa ve AB salgın sonrasında ekonomik ve siyasi olarak yeniden nasıl şekillenecek?”, https://www.uikpanorama.com/blog/2020/04/26/panorama-soruyor-ii/ (Accesed 31 December 2020).
3. Beaucillon, Charlotte (2020). “International and European emergency assistance to EU Member States in the Covid-19 crisis: Why European solidarity is not dead and what we need to make it both happen and last”, European Papers, Vol. 5, No 1, p. 387-401.
4. Chopin Thierry et.al. (10 April 2020). “The Eu Facing The Coronavirus: A Political Urgency To Embody European Solidarity”, https://institutdelors.eu/en/publications/lue-face-au-coronavirus-lindispensable-incarnation-politique-de-la-solidarite-europeenne/ (Accessed 31 December 2020).
5. Consolidated version of the Treaty on the Functioning of the European Union Part Five- The Union’s External Action Title VII- Solidarity Clause Article 222.