Security officers and guards manual (in relation to ra.5487 as amended) with special topic on school security management / 
Peckley, Miller F.; Fontanos, Tomy C. 
 - Quezon City :  Wiseman's Book Trading, Inc.,  2012. 
 - v,242p.; 22.5cm. 
<br/><br/>Includes references 
<br/><br/><label>ISBN: </label>9789710588404 
<br/><br/><label>Dewey Class. No.: </label>Fil 344.599 P337 2012