Alfred
Binet

Sorbonne




Édouard
Claparède

Rousseau Institute


Jean
Piaget

University of Geneva


Jean
Piaget

University of Geneva


Bärbel
Inhelder

University of Geneva


Annette
Karmiloff-Smith

Birkbeck College


Jean
Piaget

University of Geneva


Bärbel
Inhelder

University of Geneva


Annette
Karmiloff-Smith

Birkbeck College


Dagmara
Dimitriou

UCL Institute of Education


Jo
Van Herwegen

Kingston University London

Hiwet
Costa

Kingston University London
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Hiwet CostaX