3Hoyle, E. Pro f essionalization and Deprofessionalization in Education. in Hoyle, E. and Megarry, J. (eds), Professional Development of Teachers. World Yearbook of Education,1980, London: Kogan Pagem, 1980,43.
4Lieberman, A. Practices that support teacher development: Transforming conceptions of professional learning. Phi Delta Kappan, 1995,76(8).
5Darling-Hammond, L.& Mclaughlin, M. I. Policiesthat support professional development in an era of reform. Phi Delta kappan, 1995, 76(8).