The development of conservation and differentiation of number:
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Bibliographic Details
Main Author: Zimiles, Herbert (Author)
Format: Book
Language:English
Published: Chicago, Ill. Univ. of Chicago Pr. 1966
Series:Society for Research in Child Development: Monographs. 108=31,6.
Subjects:
Online Access:Inhaltsverzeichnis
Physical Description:46 S.

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