Showing 1 - 2 results of 2 for search 'Sigel, Irving E.', query time: 0.00s Refine Results
  1. 1
    Cognitive development from childhood to adolescence perspective
    by Sigel, Irving E.
    Published 1977
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  2. 2
    Cognitive Development from Childhood to Adolescence A Construktivist Perspective : Irving E.Sigel
    by Sigel, Irving E.
    Published 1977
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