Chen, Huey-Tsyh. <br/><br/>
Practical program evaluation :  assessing and improving planning, implementation, and effectiveness / 
Huey-Tsyh Chen. 
 - London :  SAGE,  2005. 
 - xii, 292  p. 
<br/><br/><label>ISBN: </label>0761902333 :  KES 3160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research (Social action programs)