References
- Berlin, I. (1953). The hedgehog and the fox. Princeton, NJ: Princeton University Press.
- Rittel, H., & Webber, M. (1973). Dilemmas in a general theory of planning. Policy Studies, 4, 155–169.
- Wildavsky, A. (1973). If planning is everything, maybe it's nothing. Policy Studies, 4, 127–153.