Gupta, R. <br/><br/>
SSC-TIER-II ,TIER-III/ 

 - New Delhi:  Ramesh,  2015. 
 - 311 p. 
<br/><br/><label>ISBN: </label>9788178129914 
<br/><br/><label>Dewey Class. No.: </label>351.076.CI  / GUP/S