Gupta, B.L. <br/><br/>
Knowledge Communication and Library 
/by B. L. Gupta  
 - 1st 
 - Jaipur  Printwell Publishers  1987 
 - viii, 180p. 
<br/><br/><label>ISBN: </label>8170440815 
<br/><br/><label>Dewey Class. No.: </label>020  / GUP/K