Hulstijn, Jan Hendrik <br/><br/>
Language proficiency in native and non-native speakers :  theory and research / 
Jan H. Hulstijn 
 - Amsterdam :  John Benjamins Pub.,  2015 
 - xi, 195 p. :  ill. ;  24 cm. 
 - Language learning & language teaching (LL&LT),  v. 41  1569-9471 ; .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9789027213259 (pbk.) 9789027213242 (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Native language--Study and teaching<br/>Language and languages--Study and teaching--Foreign speakers<br/>Language and languages--Ability testing<br/>Language and languages--Study and teaching--Psychological aspects<br/>Language acquisition--Research