PARMAR, P. P. <br/><br/>
Encyclopaedic Dictionary of Library and Information Science. (Vol. 4) 

 - New Delhi.  Anmol Publications.  1992 
 - 1186p. 
<br/><br/><label>ISBN: </label>8170411858 
<br/><br/><label>Dewey Class. No.: </label>25.315