Clarke, Alan, <br/><br/>
Evaluation research : 

 - London ;  Thousand Oaks, Calif. :  SAGE,  1999. 
 - viii, 216 p. ; 
<br/><br/><label>ISBN: </label>076195094X 0761950958 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)
<br/><br/><label>Dewey Class. No.: </label>300.72