1. Barrow, M., & Clarke, T. (2002). Blue gold: The battle against the corporate theft of the world’s water. Toronto: Stoddart Publishing.
2. Fang, L., Hipel, K. W., & Kilgour, D. M. (1993). Interactive decision making: The graph model for conflict resolution. New York: Wiley.
3. Fraser, N. M., & Hipel, K. W. (1984). Conflict analysis: Models and resolutions. New York: North-Holland.
4. Hagihara, Y. (2008). Adaptive system planning methodology for environment risk management. Kyoto: Kyoto University Press (in Japanese).
5. Hagihara, Y. (2009). Water resources conflict management, The Annals of the Disaster Prevention Research Institute, Kyoto University, No. 52A, pp. 81–101.