Gregory, Robert J. <br/><br/>
Psychological Testing:  History, Principles and Applications/ 
By Robert J. Gregory & Professor Emeritus. 
 - 7th Ed. 
 - Uttar Pradesh:  Pearson India Education Services Pvt. Ltd.  2017. 
 - xx, 602p;,  23cm. 
<br/><br/><label>ISBN: </label>9789332573819 
<br/><br/><label>Dewey Class. No.: </label>150.287  / GRE