Ray Pawson <br/><br/>
Evidence-based policy :   a realist perspectives  

 - London :		  Sage Publication ltd ,	  2006. 
 - xi,196p. :  ill. ;	  25cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>978-1-4129-1060-6  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy
<br/><br/><label>LC Class. No.: </label>H97.P39