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

Security guards as force multipliers af Mariano, Manuel Jr

Security operations management af McCrie, Robert D.

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

Security consulting af Sennewald, Charles A. 1931-

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

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

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

Effective security management af Sennewald, Charles A. 1931-

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