Weilenmann, Alexander.  <br/><br/>
Evaluation research and social change / 
Alexander Weilenmann. 
 - Paris :  UNESCO,  c 1980. 
 - 104 p. :  ill. ;   24 cm. 
<br/><br/>Include bibliographical reference. 
<br/><br/>340  340 
<br/><br/><label>ISBN: </label>92-3-101699-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evaluation research.<br/>Social action programs.
<br/><br/><label>Dewey Class. No.: </label>301.24 / U3e