3Ingersoll R M.The problem of underqualified teachers, in American secondary schools[J]. Educational Researcher, 1999,28(2):26-37.
4Mitchell, A. Teacher identity: A Key to increased collaboration[J]. Action in Teacher Education, 1997 , 19(3) : 1 - 14.
5Beijaard D. Teachers' prior experiences ,and actual perceptions of professional identity[J]. Teachers and teaching, 1995, 1(2) : 281 - 294.
6Moore M, Hofman J E. Professional identity in institutions of higher learning in Israel[J]. Higher Education, 1998, 17(1) : 79- 79.
7Gaziel H H. Sabbatical leave , Job burnout and turnover intentions among teachers [J]. International Journal of lifelong Education,1995, 14(4): 331-338.
8Beijaard D, Verloop N, Vermunt J D. Teachers' perceptional identity: An exploratory study from a personal knowledge perspective [J].Teaching and Teacher Education, 2000, 16:749 - 764.
9Nixin, J. Professional identity and the restructuring of higher education[J]. Studies in Higher Education, 1996, 21(1): 5- 16.
