Kawatra, P.S. <br/><br/>
Textbook of information science / 
P.S.Kawatra 
 - New Delhi :  A.P.H Publishing Corporation ,  2000. 
 - 323 p.  ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>8176481637 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science