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The Effects of Knowledge of Results on Initial Concept Learning in Hyperactive; Non-hyperactive, Impulsive; and Non-hyperactive, Non-impulsive Third Grade Boys

William David Frey

出版	Michigan State University. Department of Special Education., 1976
URL	http://books.google.com.hk/books?id=947JvahwbT4C&hl=&source=gbs_api