Torsten Husén <br/><br/>
International study of achievement in mathematics; a comparison of twelve countries. 

 - New York  Stockholm, Almqvist & Wiksell;, Wiley   [1967] 
 - 304p  024cm 
 - a comparison of twelve countries.  Volume I .
<br/><br/><label>Subjects--Uniform Titles: </label><br/> Mathematical ability<br/>Mathematics<br/>Study and teaching (Secondary)<br/>Comparative education.
<br/><br/><label>Dewey Class. No.: </label>153 H969i