Ray, Ajoy Kumar. <br/><br/>
Information technology : principles and applications /  
Ajoy Kumar Ray,Tinku Acharya. 
 - /   . 
 - New Delhi :   PHI Learning ,   2011. 
 - xxx,602p. :   ills. ;   22cm .  
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>9788120321847  RS550.00 
<br/><br/><label>Subjects--Index Terms: </label>INFORMATION TECHNOLOGY 
<br/><br/><label>Dewey Class. No.: </label>004  / RAY/I