Annual seminar, 21 /  
DRTC. 
 - NULL :   ills.,photos ;   NULL .  
<br/><br/>NULL 
<br/><br/><label>ISBN: </label> NULL (Hb) 
<br/><br/><label>Subjects--Index Terms: </label>LIBRARY SCIENCE- ANNUAL SEMINAR, 21 
<br/><br/><label>Dewey Class. No.: </label>020  / DRT/A