CompTIA A+ guide to IT technical support 
Andrews, Jean. 
 - 11th ed. 
 -  Cengage Learning, Inc.,  2023 
 - 1220 pages. 
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<br/><br/><label>ISBN: </label>978-0-357-67416-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer technicians -- certification.
<br/><br/><label>Dewey Class. No.: </label>004 An261 2023