Case,, Robbie The mind's staircase : exploring the conceptual underpinnings of children's thought and knowledge / Robbie Case ; colab. Marta Bruchkowsky... [et al.]

The mind's staircase : exploring the conceptual underpinnings of children's thought and knowledge / Robbie Case ; colab. Marta Bruchkowsky... [et al.] . - Hillsdale : LEA, 1992 . - XVI, 411 p. 23 cm
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