Sharma, <br/><br/>
General Studies :  For Civil Service Preliminary Examination /  Textual Documents 
Arun Sharma, Madhukar Kumar Bhagat , Abhujit Guha . 
 - New Delhi  McGraw Hill Education (India) Private Limited 
<br/><br/><label>ISBN: </label>978-93-392-1793-8 
<br/><br/><label>Subjects--Index Terms: </label>Knowledge G/Counter 
<br/><br/><label>Dewey Class. No.: </label>001