Ek, J. A. van  1925- <br/><br/>
Threshold level English in a European unit/credit system for modern language learning by adults / 
prepared for the Council of Europe by J. van Ek 
 - New ed. 
 - Oxford :  Pergamon Press,  1980 
 - 253 p. ;  25 cm. 
<br/><br/><label>ISBN: </label>0080245889 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language--Study and teaching--Foreign students