Andrews, Jean <br/><br/>
Comptia A+ Guide to IT Technical Support / 
Joy Drak, Jill West 
 - USA:  Cengage Learning;  2017. 
 - xiv, 1119 p. :  ill;  24 cm. 
<br/><br/> include index. 
<br/><br/><label>ISBN: </label>9781305266438 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information Technology
<br/><br/><label>Dewey Class. No.: </label>004  / AND-C