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1Academic Journal
المصدر: Technology & Disability. 1999, Vol. 10 Issue 3, p151-159. 9p.
URL: 4838039
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2Academic Journal
المؤلفون: Sheets DJ, Wray LA, De Jong FJ
المصدر: Physical & Occupational Therapy in Geriatrics; 1995, Vol. 12 Issue 4, p1-12, 12p