2Peter F.Olive.Supervision for Today's Schools.(7th Edition).New York:Longman Publishing Group,2004.376-387,489.
3Chad D.Ellett,Charles Teddies.Teacher Evaluation,Teacher Effectiveness and School Effectiveness:Perspective from the USA.Journal of Personnel Evaluation in Education,2003.(1):86 -91.
4Fred C.Lunenburg,Allan C.Ornstein.Educational Administration:Concepts and Practice (4th Edition).Wadsworth:a Division of Thomson Learning,2004.348.