Library classification: by 
Purushotham Tiwari. 
 - London,  APH pub.  2011. 
 - v.  34 cm. 
<br/><br/><label>ISBN: </label>678-81-313-0511-9 
<br/><br/><label>LCCN: </label>65069998  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--School of Pure and Applied Sciences
<br/><br/><label>LC Class. No.: </label>Z696  / .L65