1. Ackoff, R. L. (1970). A black ghetto’s research on a university. Operations Research, 18, 761–771.
2. Ackoff, R. L. (1974). Redesigning the future: A systems approach to societal problems. New York: Wiley.
3. Bernal, J. D. (1939). The social function of science. London: Routledge.
4. Blackett, P. M. S. (1935). The frustration of science. In D. Hall et al. (Eds.), The frustration of science (pp. 129–144). London: Allen and Unwin.
5. Churchman, C. W. (1979). The systems approach and its enemies. New York: Basic Books.