Parmar P. P Bhuta B <br/><br/>
Encyclopaedic dictionary of library and information science vol 4 

 - New Delhi  Anmol Publication  1989 
 - 933-1190 
<br/><br/><br/>English 
<br/><br/><label>Dewey Class. No.: </label>020.3E.D.L.I.S