Gregory, Robert J. <br/><br/>
Psychological testing : history principles and applications 4th ed 

 - Delhi  Pearson Education  2008 
 - 654 
<br/><br/><br/>English 
<br/><br/><label>ISBN: </label>978-81-317-0179-9 
<br/><br/><label>Dewey Class. No.: </label>151.2  / Gre