1. Lane, H.C., Core, M.G., Gomboc, D., Karnavat, A., Rosenberg, M.: Intelligent tutoring for interpersonal and intercultural skills. In: The Proceedings of Interservice/Industry Training, Simulationand Education Conference (I/ITSEC), pp. 1–11 (2007)
2. Lynch, C., Ashley, K., Pinkwart, N., Aleven, V.: Argument diagramming as focusing device: does it scaffold reading? In: Proceedings of a Workshop on AIED Applications in Ill-Defined Domains, held at the 13th International Conference on Artificial Intelligence in Education (2007)
3. Scandura, J.: Domain Specific Structural Analysis for Intelligent Tutoring Systems: Automatable Representation of Declarative, Procedural and Model-Based Knowledge with Relationships to Software Engineering. Tech., Inst., Cognition and Learning 1, 7–57 (2003)
4. Ormerod, T.C.: Planning and ill-defined problems. In: Morris, R., Ward, G. (eds.) The Cognitive Psychology of Planning. Psychology Press, London (2006)
5. Lickona, T., Schaps, E., Lewis, C.: Eleven Principles of Effective Character Education. In: Character Education Partnership (2007)