Hellmüller, S. (2018), “The Interaction between Local and International Actors in Peacebuilding: Partners for Peace”, Cham: Palgrave Macmillan.
Hellmüller, S. (2019), “A ‘Global and Inclusive Agreement’? Participation of Armed Actors in the Inter-Congolese Dialogue and its Impact on Local Violence”, International Negotiation, Vol. 24 (1).
Hellmüller, S. (2020), “Inclusion and Performance as Sources of Legitimacy: The UN Mediation on Syria”, In: Local Legitimacy and International Peace Interventions, Oliver Richmond and Birte Vogel (eds.), pp. 160-179, Edinburgh: Edinburgh University Press.
Hellmüller, S. (2020), “The Role of Civil Society Actors in Peacemaking and Peacebuilding”, In: The Routledge Handbook of Peace, Security and Development, Fen Osler Hampson, Alp Özerdem, Jonathan Kent (eds.), pp. 407-419, Abingdon / New York: Routledge.