The child's conception of geometry / by Jean Piaget, Barbel Inhelder & Alina Szeminska ; transl. from the French by E.A. Lunzer.
By: Piaget, Jean.
Contributor(s): Inhelder, Barbel | Szeminska, Alina.
Material type:![materialTypeLabel](/opac-tmpl/lib/famfamfam/BK.png)
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