La genèse du nombre chez l'enfant
Child study
Cognition chez l'enfant
Number concept
Cognition in children
Symbolism
Developmental psychology
Cognition
Child psychology
Child development
Enfants
Child
Psychologie
Mathematics
Professor Piaget discusses a set of investigations he and a team of co-workers carried out on the genesis of the notion of number in the child's mind.
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