Kumar, Purushottam, 1935 <br/><br/>
General Knowledge 2020 / 
Purushattam Kumar 
 - 6th edition 
 -  GKP/CLE ,  2019 
 - 396 pages 
<br/><br/><label>ISBN: </label>9789389573572 
<br/><br/><label>Dewey Class. No.: </label>032.02  / PUR