1. Beck, M. (2017, September). Securitization of the Recent Influx of Refugees from the Middle East to Europe. Center for Mellemoststudier Reports.
2. Bernin, P. (2018, July 2). Le Yémen, la guerre et la France. Orient XXI.
https://orientxxi.info/magazine/le-yemen-la-guerre-et-la-france,2537
3. Bonnefoy, L. (2018). Yemen and the World: Beyond Insecurity. New York: Oxford University Press.
4. Buchet de Neuilly, Y. (2005). L’Europe de la politique étrangère. Paris: Economica.
5. Bulmer, S., & Lequesne, C. (Eds.). (2005). The Member States of the European Union. Oxford: Oxford University Press.