Postlethwaite, Neville T. <br/><br/>
A selection from the overall findings of the IEA study in science, r eading comprehension, literature, french as a foreign language, english as a foreign language and civic education /    
Neville T. Postlethwait e. 
 - Paris :   UNESCO,   1973. 
 - 47 p. :    ill. ;    30 cm. 
 - IIEP occasional papers ;   no. 30 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Academic achievement --------Case studies.