TY  - BOOK
AU  - George,Alexander L.
TI  - Practice and progress: an integrated course for pre-intermediate students 
T2  - New concept English
AV  - PE1128.A2 A35 1967
PY  - 1967///
CY  - London
PB  - Longmans
KW  - English language
KW  - Textbooks for foreign speakers
ER  -