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  1. 1

    Innovations in education reformers and their critics. מאת Rich, John Martin

    יצא לאור 1992
    ספר

    Innovations in education reformers and their critics.
  2. 2

    Piaget's theory of intellectual development מאת Ginsburg, Herbert

    יצא לאור 1979
    ספר

    Piaget's theory of intellectual development

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