Davies, Alan,  Ph. D. <br/><br/>
Principles of language testing / 
Alan Davies. 
 - Oxford, UK :  B. Blackwell,  1990. 
 - viii, 147 p. 
 - Applied language studies .
<br/><br/><label>ISBN: </label>0631173420 :  $60.00 (U.S.) 
<br/><br/><label>LCCN: </label>93014387     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages--Ability testing.