Materials development in language teaching / 
edited by Brian Tomlinson. 
 - 2nd ed. 
 - Cambridge, N.Y. :  Cambridge University Press,  2011. 
 - xix, 451 p. :  ill. ;  23 cm. 
<br/><br/> Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780521157049 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Language and languages---- Study and teaching.<br/>Teaching---- Aids and devices.
<br/><br/><label>LC Class. No.: </label>P53.15  / .M38 2011