GREGORY,ROBERT J. <br/><br/>
PSYCHOLOGICAL TESTING HITORY,PRINCIPLES,AND APPLICATIONS 

 - 6th Ed. 
 - Delhi  Pearson Education Asia (Pte) Ltd., Delhi   2014 
<br/><br/><label>ISBN: </label>978-93-325-3671-5 
<br/><br/><label>Dewey Class. No.: </label>158  / GRE/P