Computer and communication value-added services  
/ Electronics Today  
 - New Delhi:   Tata McGraw-Hill Publishing Company Limited,   1991 
 - xi, 332p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Industries 
<br/><br/><label>Subjects--Index Terms: </label>Van systems  
<br/><br/><label>Universal Decimal Class. No.: </label>681.324(082.2)   / N1