3Shulman, L. S.Those who understand: Knowledge growth in teaching[J]. Educational Researcher, 1986,(2):4-14.
4Shulman, L. S. Knowledge and teaching: Foundations of the new reform[J]. Harvard Educational Review, 1987,(1): 1-22.
5Grossman, P. L.: Teacher' s Knowledge. In T. Husen & T. N. Postlethwaite (Eds.)[M]. The International Encyclopedia of Education (2^nd ed). New York: Pergamon, 1994.