1. Anderson, J. R. (1990). Cognitivep!iychology and its implications (3rd ed.).New York: Freeman.
2. Bartlett, F. C. (1932).Remembering: A study in experimental and social psychology. London: Cambridge University Press.
3. Bereiter, C. & Scardamalia, M. (1987). The psychology of written communication.Hillsdale, NJ: Lawrence Erlbaum Associates, Inc.
4. Biggs, J. B. (1988). Approaches to learning and essay writing.In R. R. Schmeck (Ed.), Learning strategies and learning styles (pp. 185-228). New York: Plenum.
5. UNDERSTANDING OF UNDERSTANDING: IMPLICATIONS FOR LEARNING AND TEACHING