1Fullan, M, G. (1982). The Meaning of Educational Change. New York: Teachers College Press.
2Fullan, M, G, & Stiegelbauer ( 1991). The New Meaning of Ducational Change. (2nd ed). New York:Teachers College Press.
3Patton. M, Q. (1990), Qualitative Evaluation and Research Methods. London: Sage.
4Snyder, J.. Bolin, F, &Zumwalt. K.(1992) Curriculum Implementation, In Jackson, P, W.(Ed), Handbook of Research on Curriculum. New York: Macmillan Publishing Company.
