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

Security guards as force multipliers מאת Mariano, Manuel Jr

Security operations management מאת McCrie, Robert D.

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

Security consulting מאת Sennewald, Charles A. 1931-

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

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

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

Effective security management מאת Sennewald, Charles A. 1931-

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