6Gage, N L & Berliner, David C. Educational Psychology [ M].Boston: Houghton Mifflin Company, 1988.
7Gardner, David & Miller, Lindsay. Establishing Self-Access : From Theory to Practice [ M ]. Shanghai: Shanghai Forieng Language Education Press, 2002.
8Glover, John A & Bnming, Roger H. Educational Psychology: Principles and Applioation[M]. Gleniew, Illinois: Scott, Foresman and Company, 1990.
9Howatt, A P R. A History of English language Teaching[M]. Oxford: Oxford University Press, 1984.
10Kafai, Y & Resnik, M. Constructivism in Practice: Designing,Thingking and Learning in a Digital World [M ]. Mahwah, NJ:Lawrence Erlbaum Associations, 1996.
