AU  - Walton, Richard
TI  - First certificate grammar practice
SN  - 0175564418
U1  - 428.24 WAL 
PY  - 1993///
CY  - Hong Kong
PB  - Nelson
KW  - Standard English usage
KW  - İngilizce'nin kullanımı
KW  - English language --Textbooks for foreign speakers
KW  - English language --Grammar
KW  - English language --Grammar --Problems, exercises, etc
ER  -