Ray Pawson <br/><br/>
The science of evaluation:  a realist manifesto/ 
by Ray Pawson 
 - London:  Sage,  2013. 
 - 216p. 
<br/><br/><label>ISBN: </label>9781446252420 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Policy<br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>361.610 72  / RAY/S