Tiwari, Purushotham. <br/><br/>
Library classification / 
Purushotham Tiwari. 
 - New Delhi :  APH,  2011. 
 - v, 272 p. 
<br/><br/><label>ISBN: </label>8131305119 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Classification--Books.
<br/><br/><label>LC Class. No.: </label>Z696  / .T59 2011