Panchal					 <br/><br/>
Computer Science Information Technology for Class 7	- 
Sangeeta Panchal	 
 - 5 
 - New Delhi	  Oxford University press	  2005	 
 - 164	 
<br/><br/><label>ISBN: </label>195670787	 
<br/><br/><label>Dewey Class. No.: </label>4	  / PAN