TY  - BOOK
AU  - Sampson, Nicholas
AU  - M.A, Nguyễn Quốc Hùng
TI  - English in focus : Level B
SN  - 9620311361
U1  - 428.0071 
PY  - 1997///
CY  - TP. Hồ Chí Minh
PB  - Cambridge University Press
KW  - English language
KW  - Textbooks for foreign speakers
N1  - 004172; F 228
ER  -