Panchal <br/><br/>
Computer Science Information Technology for Class 8 
Sangeeta Panchal 
 - 2 
 - New Delhi	  Oxford University press	  2005	 
 - 191 
<br/><br/><label>ISBN: </label>195670795					-				 
<br/><br/><label>Dewey Class. No.: </label>4  / PAN