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

Security guards as force multipliers par Mariano, Manuel Jr

Security operations management par McCrie, Robert D.

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

Security consulting par Sennewald, Charles A. 1931-

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

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

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

Effective security management par Sennewald, Charles A. 1931-

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