Directory of periodicals published in India 1991 
/ sapra & Sapra Publishers 
 - New Delhi:   sapra & Sapra Publishers,   1991 
 - 515p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science
<br/><br/><label>Universal Decimal Class. No.: </label>R 05(058.7):3(540)  / N1