Arora, Sumita <br/><br/>
Informatics Practices ;  A Textbook for Class XII / 
Sumita Arora 
 - 4th 
 - New Delhi  Gagan Kapur  2005 
 - xvi, vii,832p, ill;  Pbk 
<br/><br/><label>LC Class. No.: </label>QA76.5.A7 2005