Raamatud Leland S. Cogan
Facing the Consequences: Using TIMSS for a Closer Look at U.S. Mathematics and Science Education
W. H. Schmidt, Richard T. Houang, Pamela M. Jakwerth, Leland S. Cogan, Curtis C. McKnight
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Facing the Consequences: Using Timss for a Closer Look at U.S. Mathematics and Science Education
W H Schmidt, Pamela M Jakwerth, Richard T Houang, Curtis C McKnight, Leland S Cogan
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Schooling Across the Globe
Leland S Cogan, William H Schmidt, Richard T Houang
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Schooling Across the Globe: What We Have Learned from 60 Years of Mathematics and Science International Assessments
Leland S. Cogan, Richard T. Houang, William H. Schmidt, Michelle L. Solorio
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