Parmar,P.P. <br/><br/>
Encyclopedia Dictionary of Library and Information Science ( Vol. IV) 
/ by P. P. Parmar 
 - 1st ed. 
 - New, Delhi;  Anmol Publications:  1989. 
 - 1189p. 
<br/><br/><label>ISBN: </label>8170411890 
<br/><br/><label>Dewey Class. No.: </label>020.3  / PAR/E