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

Security guards as force multipliers gan Mariano, Manuel Jr

Security operations management gan McCrie, Robert D.

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

Security consulting gan Sennewald, Charles A. 1931-

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

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

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

Effective security management gan Sennewald, Charles A. 1931-

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