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Jean Piaget (August 9, 1896 — September 16, 1980), Swiss psychologist | World Biographical Encyclopedia
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PIAGET'S THEORY OF COGNITIVE DEVELOPMENT. Jean Piaget ( ) : History Born: August 9, 1896, Switzerland Died: September 16,1980 (Age 84) Parents: - ppt download
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Jean Piaget (August 9, 1896 — September 16, 1980), Swiss psychologist | World Biographical Encyclopedia
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