Chopra, H.R. <br/><br/>
Library Science and its Facets, Vol. 1 
/ by H. R. Chopra 
 - New Delhi:  Ess Ess Publications,  1998. 
 - 303p.; 
<br/><br/><label>ISBN: </label>8170002222 
<br/><br/><label>Dewey Class. No.: </label>020  / CHO/L