Isabelle Werenfels, "Beyond Authoritarian Upgrading: The Re-Emergence of Sufi Orders in Maghrebi Politics." The Journal of North African Studies 19.3 (2014).
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Isabelle Werenfels is the head of the Middle East and Africa research division at the German Institute for International and Security Affairs. She is the author of Managing Instability in Algeria: Elites and Political Change since 1995 (Routledge, 2007).