Ek, J. A. van  1925- <br/><br/>
The threshold level for modern language learning in school / 
J. A. van Ek with contributions by L. G. Alexander 
 - Hong Kong :  Longman,  1977 
 - 165 p. ;  23 cm. 
<br/><br/><label>ISBN: </label>0582557003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language, modern Study and teaching<br/>Curriculum planning