Pawson, Ray,  1948- <br/><br/>
Evidence-based policy :  a realist perspective / 
Ray Pawson. 
 - London ;  Thousand Oaks, Calif. :  SAGE,  2006. 
 - xi, 196 p. :  ill. ;  25 cm. 
<br/><br/>Includes bibliographical references (p. [183]-190) and index. 
<br/><br/><label>ISBN: </label>1412910595 (cased) 1412910609 (pbk.) 9781412910606  RM117.43 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Policy sciences--Methodology.