1. Adan, M., & Pkalya, R. (2006). Conflict Management in Kenya Towards Policy and Strategy Formulation. Nairobi: Practical Action.
2. Briggs, J., & David, F. (1998). Seven Life Lesson of Chaos: Spiritual Wisdom from the Science of Change. New York: HarperCollins.
3. Colin, C. (1999). Addressing Complexity: Exploring Social Change Through Chaos and Complexity Theory. Ottawa, National Library of Canada.
4. Choucri, N. (1974). Population Dynamics and International Violence: Propositions, Insights and Evidence. Lexington, MA: Lexington Books.
5. Chourci, N. (1984). Multidisciplinary Perspective of Population and Conflict. Syracuse: Syracuse University Press.