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Google圖書搜尋
The Effect of Tangible Reinforcement Plus Social Praise Versus Social Praise Only on the Physical Fitness Test Performance of Severely/profoundly Retarded Institutionalized Subjects
Sally Ann Leme
出版
University of Wisconsin--Madison
, 1981
URL
http://books.google.com.hk/books?id=wkuyAAAAMAAJ&hl=&source=gbs_api