TY  - BOOK
AU  - Davis,Polly
TI  - English structure in focus
SN  - 0883773260
AV  - PE1128 .D35 1987
U1  - 428.2 
PY  - 1987///-
CY  - Cambridge , Mass.
PB  - Newbury House Publishers
KW  - English language
KW  - Textbooks for foreign speakers
KW  - Local
KW  - Programmed instruction
ER  -