Williams, Brian K <br/><br/>
Using information technology : a practical indtroduction to computers and communications 

 - ed.3 
 - New Delhi  Tata Mc Grawhill publishing  1999 
 - xxx,610p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>70435626 
<br/><br/><label>Dewey Class. No.: </label>4  / WIL'99