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Family Background, Early Development, and Intelligence of Children 6-11 Years: United States
Jean RobertsArnold Engel
出版National Center for Health Statistics, 1974
主題Psychology / Developmental / Child
ISBN08406000899780840600080
URLhttp://books.google.com.hk/books?id=-8lLMQAACAAJ&hl=&source=gbs_api