Weilenmann, Alexander <br/><br/>
Evaluation Research and Social change 

 - Belgium;  UNSCO,  1980. 
 - 104p.;  24 cm. 
<br/><br/><label>ISBN: </label>92-3-101699-7 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Sciences
<br/><br/><label>Dewey Class. No.: </label>300.72  / WEI