- Unknown Binding: 188 pages
- Publisher: U.S. Rehabilitation Services Administration, Division of Mental Retardation; [for sale by the Supt. of Docs., U.S. Govt. Print. Off (1968)
- Language: English
- ASIN: B0006C7V1S
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Amazon.com Sales Rank: #2,579,655 in Books (See Bestsellers in Books)
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