Singh B. <br/><br/>
General studies for IES,PSUs 2015 

 - 8th ed. 
 - New Delhi  Made easy pub.  2014 
 - 592p. 
<br/><br/><label>ISBN: </label>9789383643257 
<br/><br/><label>Dewey Class. No.: </label>001  Si64G