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E-Book (pdf) Mathematics and Science Education Around the World von National Research Council, Division of Behavioral and Social Sciences and Education, Mathematical Sc
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E-Book (epub) Mathematics and Science Education Around the World von National Research Council, Division of Behavioral and Social Sciences and Education, Mathematical Sc
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E-Book (pdf) Nature and Role of Algebra in the K-14 Curriculum von National Research Council, National Council of Teachers of Mathematics and Mathematical Sci
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