Walker, David Addison,  1941- <br/><br/>
The IEA six subject survey :  an empiracal study education in twenty-one countries / 
by David A. Walker, with contribution by C. Arnold Anderson and Richard Wolf and a foreword by Torsten Husen 
 - Stockholm :  Almqvist Wiksell,  1976 
 - 285 p. ;  22 cm. 
 - International studies in evaluation ;  9 .
 - International studies in evaluation ;  9 .
<br/><br/> 'A Halsted Press book.' 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0470150092 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational tests and measurements<br/>Grading and marking (Students)<br/>Comparative education