Lansford, Lewis  <br/><br/>
Unlock : listening, speaking & critical thinking. Level 4  Student's book with digital pack / 
Lewis Lansford, Robyn Brinks Lockwood with Chris Sowton, Jessica Williams, Christina Cavage 
 - 2nd edition 
 - Cambridge :   Cambridge University Press,    2019 
 - 223 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>9781108672726  759,000 VNĐ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English language<br/>Listening<br/>Textbooks for foreign speakers<br/>Speaking
<br/><br/><label>Subjects--Index Terms: </label>Kỹ năng nghe Kỹ năng nói 
<br/><br/><label>Dewey Class. No.: </label>428.3  / UNL