The Official CompTIA A+ COre 2: Instructor Guide (Exam 220-1002)/ 
Pengelly, Jame; Taylor, Pamela J; Sandler, Gail 
 - 1.01 
 - US:  Logical Operations,  2019 
 - 667p. 
<br/><br/><label>ISBN: </label>1642740535 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Electronic data processing personnel --Certification--Study and teaching. <br/>Computer technicians--Certification--Study and teaching.<br/>Computer software--Examinations--Study and teaching.
<br/><br/><label>Dewey Class. No.: </label>004.076