Groth, David. <br/><br/>
A+ operating system technologies  study guide /  [[Book] :] 
David Groth and Dan Newland with Lisa Donald, Joseph Dreissen, Dan Haglund. 
 - 3rd.ed. 
 - San Francisco :  Sybex,  2001. 
 - 461 p. :  ill. ;  23 cm. 
<br/><br/> Includes index. 
<br/><br/> All age. 
<br/><br/><label>ISBN: </label>0782128076 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing personnel--Certification.<br/>Computer technicians--Certification--Study guides.<br/>Operating systems (Computers).
<br/><br/><label>Dewey Class. No.: </label>004.22 
<br/><br/><label>National Library of Medicine Call No.: </label> / G A