Kotkin, R A <br/><br/>
The effect of sign language on picture naming in two retarded girls possessing normal hearing.  [electronic resource] 

 -  Journal of mental deficiency research  Mar 1978 
 - 19-25 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0022-264X 
<br/><br/><label>Standard No.: </label>10.1111/j.1365-2788.1978.tb00959.x  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Child<br/>Down Syndrome--rehabilitation<br/>Education of Persons with Intellectual Disabilities<br/>Female<br/>Hearing<br/>Humans<br/>Intelligence<br/>Language Development<br/>Manual Communication<br/>Retention, Psychology<br/>Sign Language<br/>Verbal Learning