1. Abdel-Hamid, T.
and
Madnick, S.E.
(1991), Software Project Dynamics: An Integrated Approach, Prentice-Hall Software Series, Prentice-Hall, Upper Saddle River, NJ.
2. Anderton, R.
(1989), “The need for formal development of the VSM”, in
Espejo, R.
and
Harnden, R.
(Eds), The Viable System Model: Interpretations and Applications of Stafford Beer's VSM, Wiley, Chichester, pp. 39-50.
3. Ashby, W.R.
(1956), An Introduction to Cybernetics, Chapman & Hall, London.
4. Beer, S.
(1959), Cybernetics and Management, English Universities Press, London.
5. Beer, S.
(1979), The Heart of Enterprise, Wiley, Chichester.