Weise, Carol H. <br/><br/>
Evaluation research : methods for assessing program effectiveness 
Carol H. Weiss 
 - New Jersy  Prentice-Hall  c1972 
 - xii,160p.; 22cm.- 
 - Prentice-Hall methods of social science series .
<br/><br/><label>Dewey Class. No.: </label>301.018  / WEI