1. Turtle Geometry: The Computer as a Medium for Exploration;Abelson,1981
2. ACT: A simple theory of complex cognition;Anderson;American Psychologist,1996
3. The expert module;Anderson,1988
4. Making learning fun: Quest Atlantis, a game without guns;Barab;Educational Technology Research and Development,2005
5. Grounded cognition;Barsalou;Annual Review of Psychology,2008