1. Aarhus Convention. (1998, June 25). On access to information. Public participation and access to justice in environmental matters. Denmark. Retrieved from http://ec.europa.eu/environment/aarhus/
2. Ashby, W. R. (1956). An introduction to cybernetics. London: Chapman and Hall.
3. Bacchi, C. (2009). Analysing policy. In What is the problem represented to be? New South Wales: Pearson.
4. Banathy, B. H. (1991). Systems design of education: A journey to create the future. Englewood Cliffs: Educational Technology.
5. Bateson, G. (1972). Steps to an Ecology of Mind. New York: Ballantine.