1. Self explanations: how students study and use examples in learning to solve problems;Chi;Cogn. Sci.,1989
2. Explanation based learning of correctness: towards a model of the self-explanation effect;Van Lehn,1990
3. The computer as a tool for learning through reflection;Collins,1988
4. Interviews on AI and education;Collins;AI Commun.,1991
5. Learning from errors in ALGEBRALAND;Foss,1987