8Stufflebeam,D.L.,&Madsus,G.F.& Kellaghan,T.,(2000),Evaluation Models:Viewpoints on Educational and Human Services Evaluation(2nd.ed.)[M].Boston:Kluwer Academic Publishers.280,287,313.
10Blaine R. Worthen & James R. Sanders (1981), Education Evaluation: Alternative Approeches and Practical Guidelines [ M ]. New York & London:Longman.84.
