Ajoy Kumar ,  2011, <br/><br/>
CSIR-JRF-NET :   General sciences andreaearch aptitude, quantitative resoning  /  
Kumar, Ajoy .  
 - Pathfinder ed. . 
 - New Delhi:  Pathfinder Academy,  2011. 
 - 526P. :  26CM. 
<br/><br/><label>ISBN: </label>978-93-80473-01-7 
<br/><br/><label>Subjects--Personal Names: </label><br/>GENERAL SCIENCES.
<br/><br/><label>Dewey Class. No.: </label>507  / KUM