le développement mental de l`enfant

Fondation Jean Piaget
Étude&parue&dans&Juventus(Helvetica&(Zürich)&1940
puis&reproduite&dans&Six(études(de(psychologie
(Paris:&Denoël=Gonthier,&1964)
La&pagination&du&présent&document
est&celle&des&Six(études.&
Version&électronique&réalisée&par&les&soins&de&la
Fondation&Jean&Piaget&pour&recherches
psychologiques&et&épistémologiques.
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