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References
1.
Baldwin J. M.
(1915 ). Genetic Theory of Reality . New York, London : Putnam .
2.
Flavell J.
(1962 ). The Developmental Psychology of Jean Piaget . New York : Van Nostrand .
3.
Gruber H. E.
Vonèche J. J.
(1977 ). The Essential Piaget . London : Routledge and Kegan Paul .
4.
Piaget J.
(1971 ). Biology and Knowledge . Edinburgh : Edinburgh University Press .
