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  1. 1

    Logical thinking in children research based on Piaget's theory by Sigel, Irving E.

    Published 1968
    Book

    Logical thinking in children research based on Piaget's theory
  2. 2

    Logical thinking in children research based on Piaget's theory

    Published 1968
    Book

    Logical thinking in children research based on Piaget's theory
  3. 3

    Piaget's developmental theory conversation [videorecording]

    Published 1966
    Visual Material

    Piaget's developmental theory conversation [videorecording]

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