The PPDoc security systems (personnel, physical & document/Information security) 
Domingo, Christian G. 
 -  Wiseman's Books Trading,  2022 
 - vii, 150 pages 
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<br/><br/><label>ISBN: </label>978-6-214-18231-2 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Security systems industry.
<br/><br/><label>Dewey Class. No.: </label>F 621.389 D6711 2022