Williams, Brian K. <br/><br/>
Using information technology :  a practical introduction to computers & communications / 
Brian K. Williams, Stacey C. Sawyer, Sarah E. hutchinson 
 - 3rd ed. 
 - Boston  :  Irwin/McGraw-Hill ,  1999 
 - 610 p.  :  ill.  ;  27 cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>0256261466  RM211.05 
<br/><br/><label>LCCN: </label>98-21695 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology<br/>Computers<br/>Communication<br/>Telecommunications systems
<br/><br/><label>National Library of Medicine Call No.: </label>QA76.5