C. A. Roper

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The complete handbook of locks & locksmithing
Roper, C. A.

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� 3.80

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Risk Management for Security Professionals
Roper, Carl

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� 4.20

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Complete Handbook of Locks and Locksmithing
Roper, Carl

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� 5.92

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Security Education, Awareness and Training: SEAT from Theory to Practice
Roper, Carl; Fischer, Dr. Lynn; Grau, Joseph A.

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� 12.76

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Physical Security and the Inspection Process
Roper, Carl

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� 18.33

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Trade Secret Theft, Industrial Espionage, and the China Threat
Roper, Carl

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� 158.12

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