6Beach, B. and Reinhartz, J. Supervision ;Focus on instruction, New York: Harper & Row, 1989,15 -22.
7Covino, E. A. & Iwanicki, E. Experiencedteachers ; Their constructs on effective teaching. Journalof Personnel Evaluation in Education, ( 1996) 11,325-363.
8McGreal,Thomas L. Successful Teacher Eval-uation. Association for Supervision and Curriculum De-velopment ,Alexandria, YA. 1983,53.
9McNei, J. D. Politics of Teacher Evaluation,In J. Millman ( ed. ),Hand book of Teacher Evalua-tion, Beverly Hills: Sage, 1981,272 -291.
10Aloysius Siow. Tenure and Other UnusualPersonnel Practices in Academia[ J]. Journal of Law, E-conomics and Organization, 1998(14) : 152 -73.