Oller, John William,  1943-. <br/><br/>
Language tests at school  a pragmatic approach 
John W. Oller, Jr 
 - London  Longman  1979 
 - 492 p. : ill. ; 22 cm. 
 - Applied linguistics and language study .
<br/><br/> Includes index. 
<br/><br/>p.459-478. 
<br/><br/><label>ISBN: </label>058255294X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Examinations<br/>Language and languages--Ability testing