1. Brooks, J.G., & Brooks, M.B. (1993). In search of understanding: The case for constructivist classrooms. Alexandria, VA: Association for Supervision and Curriculum Development.
2. Developing professional development schools;Darling-Hammond,1994
3. Policies that support professional development in an era of reform;Darling-Hammond;Phi Delta Kappan,1995
4. Dynamics of teacher career stages;Fessler,1995
5. The limits and the potential of professional development;Fullan,1995