Vander Kamp Leo J Th Ed. <br/><br/>
Psychometrics for educational debates. 
Vander Kamp Leo J Th Ed.; Langerak Willem F Ed.; De Gruijter Dato N M Ed. 
 - Chichester  John Wiley        1980 
 - 337p.  cm. 
<br/><br/><label>Standard No.: </label>33214 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>S:3:6, M0