1. Abell, P., and Mahoney, N. (1987).The Socio Economic Potential of Small-Scale Producer Cooperatives in Developing Countries, Oxford University Press, Oxford.
2. Ackoff, R. L. (1970). A black ghetto's research on a university.Operat. Res. 18, 761?771.
3. Ackoff, R. L. (1977). National development planning revisited.Operat. Res. 25, 207?218.
4. Ackoff, R. L. (1979). The future of operational research is past.J. Operat. Res. Soc. 30, 93?104.
5. Annis, S. (1988). Can small-scale development be large-scale policy? In Annis, S., and Hakim, P. (eds.),Direct to the Poor: Grassroots Development in Latin America, Lynne Rienner, Boulder, CO, pp. 209?218.