Das, Swaroup K. <br/><br/>
Textbook of information technology 

 - New Delhi :  Dominant,  1994 
 - 15.64. 
<br/><br/><label>ISBN: </label>8178883600  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data processing computer science
<br/><br/><label>Dewey Class. No.: </label>004  / DAS