Kolstoe Oliver P. <br/><br/>
Mintal retardation: An educational viewpoint 

 - New York, USA  Holt, Rinehart and Winston   1972 
 - vi,217p 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Abnormal psychology