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

Security guards as force multipliers по Mariano, Manuel Jr

Security operations management по McCrie, Robert D.

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

Security consulting по Sennewald, Charles A. 1931-

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

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

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

Effective security management по Sennewald, Charles A. 1931-

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