Advances in psychological and educational measurement / 
edited by Dato N. M. de Gruijter and Leo J. Th. van der Kamp 
 - London :  Wiley,  1976 
 - x, 320 p. :  ill. ;  24 cm. 
<br/><br/> Proceedings of the Symposium sponsored by the Educational Research Centre of the University of Leyden  Includes bibliographical references 
<br/><br/><label>ISBN: </label>0471018171 
<br/><br/><label>LCCN: </label>76-4492 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements--Congresses<br/>Educational measurement--Congresses