UPSCPortal Publication <br/><br/>
IAS Preliminary General Studies Topic Wise Solved Question Papers From 1995-2011 
/Edited By UPSCPortal Publication 
 - New Delhi  UPSCPortal Publication  2012 
 - 332p. 
<br/><br/><label>ISBN: </label>9788192051734 
<br/><br/><label>Dewey Class. No.: </label>300  / UPP/I