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

Security guards as force multipliers od Mariano, Manuel Jr

Security operations management od McCrie, Robert D.

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

Security consulting od Sennewald, Charles A. 1931-

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

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

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

Effective security management od Sennewald, Charles A. 1931-

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