Pawson, R. <br/><br/>
Realistic evaluation/ 
Ray Pawson and Nick Tilley. 
 - Los Angeles:  Sage,  1997. 
 - xvii, 235p.:  ill.;  24 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780761950097 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)<br/>Evaluation.
<br/><br/><label>LC Class. No.: </label>DUCE H62.P323