2National Research Council (NRC). Enhancing Professional Development for Teachers: Potential Uses of Information Technology. Report of a Workshop [R]. Washington, DC: The National A- cademies Press, 2007. 4, 1-3, 12, 21, 19, 26.
3Friesen, S. & Clifford, P. Working across Different Spaces to Create Communities of Practice in Teacher Professional Development [C/OL]. Proceedings of MICTE 2003 Multimedia, Information and Communication Technologies, Spain. http: //www. galileo, org/research/ publications/different_spaces, pdf. 2003/2008-04-02.
4Borko, H. Professional Development and Teacher Learning: Mapping the Terrain [ J ]. Educational Researcher, 2004, 33(8): 3-15.
6Dede, C. et al. A Research Agenda for Online Teacher Professional Development [ DB/OL]. http: //gseweb. harvard. edu/- uk/otpd/Dede_research _ agenda _ final. pdf. 2006/2008-03-21.
7HGSE. Online Teacher Professional Development: a Usable Knowledge Conference at the Harvard Graduate School of Education [ EB/OL ]. http: //gseweb. harvard. edu/- uk/otpd/overview/index. htm. 2008/2008-04- 01.
