Pawson, Ray <br/><br/>
Realistic evaluation / 
Ray Pawson and Nick Tilley 
 - London,  Sage,  1997. 
 - xvii, 235 p. :  24 cm. 
<br/><br/> Gratis<br/>Bapu Trust 
<br/><br/><label>ISBN: </label>9780761950097 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)<br/>Evaluation.
<br/><br/><label>Dewey Class. No.: </label>001.4 PAW