Singh, Sunil Kumar <br/><br/>
Lucent's Samanya gyan 

 - Patna  Lucent Publications 
 - 328p. 
<br/><br/> 58007 
<br/><br/><label>ISBN: </label>9789384761585001   160 
<br/><br/><label>Dewey Class. No.: </label>100 SIN S