Pawson, Ray <br/><br/>
Realistic evaluation / 
Ray Pawson and Nick Tilley 
 - London:  Sage,  1998. 
 - xvii, 235 p. 
<br/><br/><label>ISBN: </label>0761950095  UKP16.99 (Rs.1168.90) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Realistic evaluation<br/>Evaluation<br/>Evaluation research (Social action programs)
<br/><br/><label>Dewey Class. No.: </label>001.4  / R3P2