TY  - BOOK
AU  - Richards, Jack C
TI  - The language teaching matrix
SN  - 9780521387941
SN  - 89037999
U1  - 418.007 RIC 
PY  - 1990///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Language and languages - Study and teaching
N1  - Includes bibliographical references (p. 167-176)
ER  -