Weiss, Carol, S <br/><br/>
Evaluation Research  Methods of assessing program effectiveness 

 - New Jersey  Prentice Hall Inc  1972 
 - 160 
<br/><br/><label>ISBN: </label>0-13-292193-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>Dewey Class. No.: </label>007  / WEE