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Are class size differences related to pupils‘educational progress and classroom processes?findings from the instituteof education class size study of children aged 5-7 years. Blatchford,P,Bassett,P,Goldstein,H,Martin,C. British Educational Research Journal . 2003
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Reducing class size:what dowe know?. U.S.Department of Education. . 1998
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Nearly a decade into small-class law,Calif edu-cators love imperfect effort. Sack,J.L. Education Week . 2005
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A de-scriptive evaluation of the federal Class-Size Reduc-tion Program:final report. U S Department of Education.Office of the DeputySecretary,Policy and Program Studies Service. . 2004

