Weiss, Carol H. <br/><br/>
Evaluation research :  Methods for assessing program effectiveness / 
Carol H. Weiss. 
 - Englewood Cliffs, New Jersey :  Prentice Hall, Inc.,  1972. 
 - 160 p. 
<br/><br/><label>ISBN: </label>0-13-292193-6 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences