8WILLIAMS M, Burden R. Psychology for Language Teachers: A Social Constructivism Approach[ M ]. Cambridge: Cambridge Uni- versity Press, 1997 : 136 - 146.
9VON Glaserfield E. Introduction: aspects of constructivism [ M ] JJ FOSNOT C. Constructivism: Theory, Perspectives and Prac- tice. New York : Teachers College Press, 1996 :$9 - 95.
10DONALD A, SCHON. The Reflective Practitioner: How Professional Think in Action [ M ]. New York : Basic Books, 1983:281 - 289.
