TY  - BOOK
AU  - Alexander,L.G.
TI  - Practice and progress: an integrated course for pre-intermediate students 
T2  - New concept English
SN  - 0582917166
U1  - 428 21
PY  - 1985///
CY  - London
PB  - Longmans
KW  - English language
KW  - Textbooks for foreign speakers
ER  -