Aggarwal, R S <br/><br/>
A Modern Approach to Non-Verbal Reasoning / 
R S Aggarwal 
 - New Delhi:  S Chand and Company,  2018, 
<br/><br/><label>ISBN: </label>9789352832187 
<br/><br/><label>Dewey Class. No.: </label>153.43  / AGG/M