TY  - BOOK
TI  - Practical english usage: english as a second language
SN  - 997194619X
U1  - 428.24076 
PY  - 1996///
CY  - Singapore
PB  - Times Educational
KW  - English language
KW  - Study and teaching
KW  - Foreign speakers
KW  - Textbooks for foreign speakers
KW  - TESL
ER  -