TY  - BOOK
AU  - Smith, Bernard
AU  - Swan, Michael
TI  - Learner English : a teacher's guide to interference and other problems
SN  - 9780521269100
SN  - 86024482
U1  - 428.007 SWA 
PY  - 1987///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language - Study and teaching - Foreign speakers
KW  - Interference (Linguistics)
ER  -