Waubonsee Community College

155.4/13/0924

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http://bibfra.me/vocab/lite/Category

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1

ddc

Label

155.4/13/0924

Code

155.4/13/0924

Source

ddc

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- Piaget's theory of cognitive and affective development, Barry J. Wadsworth ; with drawings by the author
- Piaget's theory, a primer, John L. Phillips, Jr