Collier, Gary <br/><br/>
Social origins of mental ability 

 - 1st 
 - New York  John Wiley and Sons ,Inc  1994 
 - xiv,300p p. 
<br/><br/><label>ISBN: </label>0-471-30407-7 
<br/><br/><label>Subjects--Index Terms: </label>Nature and nurture;