Use three references.
Reference: Bullock, J. A., Shadow, G. D., & Coppola, D. P. (2016). Introduction to homeland security: Principles of all-hazards risk management (5th ed.). Oxford, UK: Butter worth-Heinemann.
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Use three references.
Reference: Bullock, J. A., Shadow, G. D., & Coppola, D. P. (2016). Introduction to homeland security: Principles of all-hazards risk management (5th ed.). Oxford, UK: Butter worth-Heinemann.