Brown, H. Douglas,  1941- <br/><br/>
Language assessment :  principles and classroom practices / 
H. Douglas Brown ; Priyanvada Abeywickrama 
 - Second edition 
 - xiv, 386 pages :  illustrations ;  24 cm. 
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>LCCN: </label>2009039195 
<br/><br/><label>LC Class. No.: </label>P53.4