Williams;Brian K., sawyer;Stacey C., hutchinson;Sarah E. <br/><br/>
Using information technology  English 

 - New Delhi  Tata Mcgraw hill publishing  2000 
 - 610 pg. 
<br/><br/><label>ISBN: </label>0-07-043562-6 
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Computer Science