1 |  | Language in use : A pre-intermediate course, sefl-study workbook B with answer key / Adrian Doff, Christopher Jones . - Cambridge : Cambridge University , 1991. - 72 tr ; 28 cm Thông tin xếp giá: N/400/A.001275 N/400/A.001937 |
2 |  | Meanings into Words : Student's book 1: Upper-Intermediate / Adrian Doff, Christopher Jones, Keith Nitchell . - Cambridge : Cambridge University , 1993. - 180 tr ; 20 cm Thông tin xếp giá: N/400/A.000393-000396 NNG00102.0001-0003 |