1. Aikenhead, G., S. (1989). Decision-making theories as tools for interpreting student behaviour during a scientific enquiry simulation. Journal of Research in Science Teaching. 26, 3, 189–203
2. De Jager, H. & Van der Loo, F. (1990). Decision-making in environmental education: notes from research in the Dutch NME-VO project. Journal of Environmental Education, 22, (1) 33–42
3. Fishbein, M. & Ajzen, I. (1975). Belief attitude, intention and behaviour: An introduction to theory and research. Reading, Mass. Addison-Wesley.
4. Glowka, L., Burhenne-Guilmin, F., Synge, H., McNeely, J.A. & Gundling, L. (1994). A guide to the Convention on Biodiversity. Cambridge: International Union for Conservation of Nature and Natural Resources
5. Grace, M. & Sharp. J. (2000). Young people’s views on the importance of conserving biodiversity. School Science Review, 82 (298), 49–56.