McEntire, David A.. <br/><br/>
Introduction to homeland security: understanding terrorism prevention and emergency management / 
David A. McEntire. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Terrorism - United states - Prevention<br/>Terrorism - Government policy - United states<br/>Emergency management - United states<br/>Computer security - Government policy - United states<br/>United states - Military policy