New directions for elementary school mathematics /

Bibliografiska uppgifter
Övriga upphovsmän: Trafton, Paul R.
Materialtyp: Bok
Språk:English
Publicerad: Reston, Va. : National Council of Teachers of Mathematics, 1989.
Serie:Yearbook (National Council of Teachers of Mathematics) ; 1989.
Ämnen:
Classic Catalogue: View this record in Classic Catalogue

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