An introduction to the policy process : theories, concepts, and models of public policy making 
Birkland, Thomas A. 
 - 3rd ed. 
 -  Routledge,  2011 
 - 361 pages. 
<br/><br/>
<br/><br/><label>ISBN: </label>978-0-7656-2532-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy sciences.
<br/><br/><label>Dewey Class. No.: </label>320.6 B535 2011