Angiò, S. (2018). Islamic State’s Qutbist Statehood: a Systemic Threat to the Concept of Sovereignty as a Primary Institution in the English School of International Relations. PEACE & SECURITY-PAIX ET SÉCURITÉ INTERNATIONALES (EuroMediterranean Journal of International Law and International Relations), (05), 181–197. https://doi.org/10.25267/Paix_secur_int.2017.i5.07