CompTIA A+ guide to software : managing, maintaining, and troubleshooting 
Andrews,Jean. 
 - 9th Edition. 
 -  Cengage Learning Inc. ,  2017 
 - 692 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-1-30526650-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer technicians -- Certification.
<br/><br/><label>Dewey Class. No.: </label>005.1 An565 2017