New directions for elementary school mathematics /

Détails bibliographiques
Autres auteurs: Trafton, Paul R.
Format: Livre
Langue:English
Publié: Reston, Va. : National Council of Teachers of Mathematics, 1989.
Collection:Yearbook (National Council of Teachers of Mathematics) ; 1989.
Sujets:
Classic Catalogue: View this record in Classic Catalogue

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