Weilenmann, Alexander <br/><br/>
Evaluation research and social change 

 -  UNESCO  1980 
 - 104p. 
<br/><br/><label>ISBN: </label>9231016997  30.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social change<br/>Social science
<br/><br/><label>Dewey Class. No.: </label>303.4  / WEI