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| Utgitt
| Washington, D.C. : Reston, Va. : National Association for the Education of Young Children ; National Council of Teachers of Mathematics , c2000
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| Omfang
| |
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| Opplysninger
| Includes bibliographical references (p. 185-[186]).
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| Emner
| |
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| ISBN
| 0935989978. - 9780935989977
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