Language studies of mentally retarded children : a report of the Parsons Project in Language and Communication of Mentally Retarded Children
Richard L. Schiefelbusch, Project Director ... [et al.]
Bok Engelsk 1963 Parsons Project in Language and Communication of MentallyRetarded Children
| Utgitt | Danville, Ill. : [American Speech and Hearing Association] , 1963
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|---|---|
| Omfang | III, 108 s.
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| Emner |
