1. Aall, P. (2000). NGOs, conflict management and peacekeeping. International Peacekeeping, 7(1), 121–141.
2. Bartoli, A. (2009). NGOs and conflict resolution. In J. Bercovitch, V. Kremenyuk, & W. Zartman (Eds.), The SAGE handbook of conflict resolution. London: SAGE.
3. Björkdahl, A., Höglund, K., Millar, G., van der Lijn, J., & Verkoren, W. (Eds.). (2016). Peacebuilding and friction: Global and local encounters in post conflict societies. London: Routledge.
4. Carey, H. F., & Richmond, O. P. (2004). Mitigating conflict. The role of NGOs. London: Routledge.
5. Christie, R. (2012). Peacebuilding and NGOs: State-Civil society interactions. London: Routledge.