Brian K. Williams,  Sawyer, Satcey C.  Hutchinson, Sarah E.  <br/><br/>
Using information technology :  A practical introduction to computers and communications / 
by Brian K. Williams, Satcey C. Sawyer and Sarah E. Hutchinson 
 - 3rd ed. 
 - Boston :  Irwin McGraw Hill ,  1999 . 
 - 610 p.  Paper Back 
<br/><br/><label>ISBN: </label>0256261466 
<br/><br/><label>Subjects--Topical Terms: </label><br/>System software<br/>Software development<br/>Digital age
<br/><br/><label>Dewey Class. No.: </label>004  / BRI-U