1. Blech, C. & J. Funke (2010). You cannot have your cake and eat it, too: How induced goal conflicts affect complex problem solving, Open Psychology Journal 3, 42-53.
2. Duncker, K. (1945). On problem solving. Psychological Monographs, 58.
3. Funke, J. & P. A. Frensch (2007). Complex problem solving: The European perspective – 10 years after, in D. H. Jonassen (ed.), Learning to Solve Complex Scientific Problems, Lawrence Erlbaum, New York, 25-47.
4. Funke, J. (2010). Complex problem solving: A case for complex cognition? Cognitive Processing, Vol. 11, 133-142.
5. Klieme, E. (2004). Assessment of cross-curricular problem-solving competencies, in J. H. Moskowitz, M. Stephens (eds.), Comparing Learning Outcomes. International Assessment and Education Policy, Routledge Falmer, London, 81-107.