Security services:   Intermediate. 

 - 1 optical disc (DVD)  4 3/4 in.   (w/ textbook) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Security systems.<br/>Industries--Security measures.<br/>Private security services.
<br/><br/><label>Dewey Class. No.: </label>363.289 Se446 2016