TY - SOUND AU - SWAN,Michael AU - SMITH,Bernard TI - Learner English: a teacher's guide to interference and other problem T2 - Cambridge Handbooks for Language Teachers / Michael Swan and Roger Bowers, general editors SN - 312533992 (pbk) PY - 1988/// CY - Cambridge [etc.] PB - Cambridge University Press KW - English language KW - Study and teaching KW - Foreign speakers KW - Spoken English KW - Interference (Linguistics) N1 - 1st published in 1987 ER -