General studies mains / 

 - Chennai  McGraw hill education (India) pvt. ltd.  2020 
 - xxi, 225 p.  
 -  paper-4 .
<br/><br/><label>ISBN: </label>9789389957358 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Knowledge
<br/><br/><label>Dewey Class. No.: </label>001  / V739G