General orders for security personnel a guide to maintaining discipline and professionalism per Valenzuela, Melvyn C.C

Security guards as force multipliers per Mariano, Manuel Jr

Security operations management per McCrie, Robert D.

The art and science of security practical security applications for team leaders and managers per Supan, Joel Jesus M.

Security consulting per Sennewald, Charles A. 1931-

Introduction to security operations and management per Ortmeier, P. J.

Private security and the law per Nemeth, Charles P. 1951-

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The art and science of security practical security applications for team leaders and managers per Supan, Joel Jesus M.

Effective security management per Sennewald, Charles A. 1931-

Mga guwardiya ng Bolinao, patuloy na nananawagan per Castillo, Abigail C.