Foshay Arthur W et. al <br/><br/>
Educational achievements of thirteen-years-olds in twelve countries 

 - Hamburg  UNESCO Institute for Education 
 - 68p. 
<br/><br/><br/>International studies in education 
<br/><br/><label>Source: </label>Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational - Test and Measurement