Key english test 1 with answers :  Examination papers from university of Cambridge ESOL examinations: English for speakers of other Languages / 
Cambridge University 
 - Tp. Hồ Chí Minh :  Cambridge University Press,  2011 
 - 128 p. ;  21 cm 
<br/><br/><label>Subjects--Index Terms: </label>Kiểm tra Tiếng Anh Từ khóa 
<br/><br/><label>Dewey Class. No.: </label>428  / K5201E