Today's mathematics a guide to concepts and methods in elementary school mathematics.

Today's mathematics a guide to concepts and methods in elementary school mathematics.

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Bibliografische gegevens
Hoofdauteur: Heddens, James W. 1925-
Formaat: Boek
Taal:English
Gepubliceerd in: Chicago, IL Science Research Associates c1974.
Onderwerpen:
Mathematics > Study and teaching (Elementary)