TY  - BOOK
AU  - Hutchinson,Tom,1948-
AU  - Waters,Alan,1947-
TI  - English for specific purposes: a learning-centred approach 
T2  - New directions in language teaching
SN  - 0521318378
PY  - 1987///
CY  - Cambridge
PB  - Cambridge University Press
KW  - English language
KW  - Study and teaching
KW  - Foreign speakers
N1  - Includes indexes; p. 174-179
ER  -