Clarke, Alan,  1951- <br/><br/>
Evaluation research :  an introduction to principles, methods, and practice / 
Alan Clarke with Ruth Dawson. 
 - London :  SAGE,  1999. 
 - viii, 216 p. ;  24 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0761950958 (pbk.)  RM113.34 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs).