3Maggioli, G. D. 2003. Fulfilling the promise of professional development[ J ]. IATEFL Issues (August-Spetember): 4-5.
4Johnston, B. P. F. & Mahan-Taylor, R. 2005. The Professional development of working ESL/EFL teachers: a pilot study[C]//Tedick, D. J. Second language teacher education: international perspectives. New Jersey: Lawrence Erlbaum Associates, Inc.
5Joyce, B. 1991. The doors to school improvement [J]. Educational Leadership (48): 8.
6Markee, N. 2001. The diffusion of innovation in language teaching[C]//Hall, D. R. & Hewings, A. Innovation in English language teaching: a reader. London: Routledge.
7Richards, J. C. & Farrell, T. S. C. 2005. Professional development for language teachers: Strategies for teacher learning [M]. London: Cambridge University Press.
8Thomas, R. M. 2003. Blending qualitative & quantitative research methods in theses and dissertations [M]. Thousand Oaks, California: Corwin Press, Inc.
9Sharp, J. 1997. Communities of practice: a review of the literature. Retrieved on May 31,2006, from http://www.tfriend.com/cop-lit. htm.
