TY  - BOOK
AU  - Ballin, W      H
TI  - Perfect your English: the easy way 
SN  - 0136586260
AV  - PE1128 .B34 1990
PY  - 1990///
CY  - Hertfordshire
PB  - Prentice Hall International Language Teaching
KW  - English language
KW  - Textbook for foreign speakers
KW  - Grammar -- 1950
N1  - Includes index
ER  -