TY  - BOOK
T1  - The language teaching matrix
T2  - Cambridge language teaching library
A1  - Richards, Jack C.
LA  - English
PP  - Cambridge England
PB  - Cambridge University Press
YR  - 1990
UL  - https://ds.mainlib.upd.edu.ph/Record/UP-99796217603876429
OP  - 185
CN  - P 51 R55
SN  - 0521384087
SN  - 0521387795
SN  - 0521387949
KW  - Language and languages : Study and teaching.
ER  -