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

Security guards as force multipliers অনুযায়ী Mariano, Manuel Jr

Security operations management অনুযায়ী McCrie, Robert D.

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

Security consulting অনুযায়ী Sennewald, Charles A. 1931-

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

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

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

Effective security management অনুযায়ী Sennewald, Charles A. 1931-

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