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2. Binet, A. (1907). The mind and the brain. London: Kegan Paul.
3. Funder, D.C. (2001). The personality puzzle. New York: Norton.
4. Gardner, H. (1983). Frames of mind. New York: Basic Books.
5. Gardner, H. (1999). The disciplined mind: What all students should understand. New York: Simon and Schuster.