Pawson, Ray,  1948- <br/><br/>
Realistic evaluation / 
Ray Pawson and Nick Tilley. 
 - London :  SAGE,  c1997. 
 - 235p ;  23 cm. 
<br/><br/><label>ISBN: </label>0761950087 :  £37.50 (May.) 0761950095 (pbk.) :  £13.95 9780761950080 9780761950097 
<br/><br/><label>Nat. Bib. No.: </label>GB97Z1660  bnb 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation.