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Dyfyniad Arddull ChicagoCeci, Stephen J. On Intelligence-- More or Less: A Bio-ecological Treatise on Intellectual Development. Englewood Cliffs, N.J.: Prentice Hall, 1990.
Dyfyniad MLACeci, Stephen J. On Intelligence-- More or Less: A Bio-ecological Treatise on Intellectual Development. Prentice Hall, 1990.
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