Miller, E. (1998) The old model of staff development survives in a world where everything else has changed. In R. Tovey (Ed.), Professional development: Harvard education letter, Focus series 4, Cambridge, MA: The Harvard Education Letter, pp. 1-3.
Wilson, S.M., & Berne, J., (1999) Teacher learning and the acquisition of professional knowledge: An examination of research on contemporary professional development. Review of Research in Education, Vol.24. Washington, DC: American Educational Research Association, pp.173-209.
Xu, J. (2003) Promoting school-centred professional development through teaching portfolios. Journal of Teacher Education, 54, (4): 347-361