Clifford, Sarah Hutchinson. <br/><br/>
Computer essentials / 
Sarah E. Hutchinson, Stacey C. Sawyer. 
 - Chicago :  Irwin,  1996. 
 - xiv, 295 p. :  col. ill. ;  28 cm. 
<br/><br/>Includes index. 
<br/><br/> Open access. 
<br/><br/><label>ISBN: </label>0256191492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.