Bhatnagar, Seema ., <br/><br/>
Textbook of computer science for class XII 

 - New Delhi  PHI Learning  2008. 
 - 719p.:  24cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9788120335189 
<br/><br/><label>Dewey Class. No.: </label>005.131 BHA