house security system
A. , icks, T. A. , Van Meter, C. W. 2000. Chapter 8: Crime and the threat environment. Principles of security and crime prevention, 4th ed. Cincinnati, OH: Anderson Publishing. Friedman. …… Private SecurityThe various factors that influence both the definition and the perception of private security are typically environmental but can be internal and external to the issue of security itself.
house security system