Ingenkamp, Karlheinz (ed) <br/><br/>
Developments in educational testing  vol 2 the proceedings of an international conference held under the aegis of the padagogisches zentrum, berlin 

 - University of London press ltd, London  1969 
 - 502p 
<br/><br/><label>ISBN: </label>340 09637 3 
<br/><br/><label>Dewey Class. No.: </label>371.26 Ing/Vol.2