Adding it up : helping children learn mathematics /
Corporate Authors: | , |
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Other Authors: | , , |
Format: | Book |
Language: | English |
Published: |
Washington, DC.:
National Academy Press,
c2001
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Subjects: |
Physical Description: | xvii, 454 p. : ill. ; 27 cm. |
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Bibliography: | Περιέχει βιβλιογραφικές αναφορές και ευρετήριο. |
ISBN: | 0309069955 |