1Hoffmann F J,Johnston J H.Professional development for principals,by principals[J].Leadership,2005,(34):16-19.
2Jan Bengtsson.What is reflection? On reflection in the teacher profession and teacher education[J].Teachers and Teaching:Theory and Practice,1995,(1):23-32.
3Evans Paula M,Mohr Nancy.Principals:professional development Seven Core Beliefs[J].Phi Delta Kappan,1999,(80):530-532.