Dhyani, Pushpa. <br/><br/>
Library classification :  theory and principles / 

 - New Delhi,  Wishwa Prakashan,  c1998. 
 - 381p. ;  ill. ;  21.5 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8173280894 
<br/><br/><label>LC Class. No.: </label>3307  / 1 
<br/><br/><label>Dewey Class. No.: </label>025.42