Raamatud Barbel Inhelder
The Childs Conception of Geometry
Barbel Inhelder, Jean Jean Piaget
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Origin of the Idea of Chance in Children
Barbel Inhelder, Jean Jean Piaget
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Childs Construction of Quantities: Selected Works vol 8
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The Growth Of Logical Thinking From Childhood To Adolescence: AN ESSAY ON THE CONSTRUCTION OF FORMAL OPERATIONAL STRUCTURES
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Learning and the Development of Cognition
Barbel Inhelder, Hermine Sinclair, Magali Bovet
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Learning and the Development of Cognition
Barbel Inhelder, Hermine Sinclair, Magali Bovet
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Memory and Intelligence (Psychology Revivals)
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Experimental Psychology Its Scope and Method: Volume VII (Psychology Revivals): Intelligence
Pierre Oléron, Bärbel Inhelder, Jean Piaget
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The Origin of the Idea of Chance in Children
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