Supan, Joel Jesus M. <br/><br/>The art and science of guarding / Joel Jesus M. Supan.  -- Quezon City, Philippines:  Stonewall Security Concept.,  2002. <br/>117 p.:  ill.;  16 cm. <br/><br/><label>ISBN: </label>9719268808 <br/><br/><label>Subjects--Topical Terms: </label><br/>Private security services -- Handbooks, manuals, etc.<br/>Private security services -- Management.<br/><br/><label>Dewey Class. No.: </label>GR 363.289 Su761 2002