TY  - BOOK
AU  - Richards,Jack C.,1943-
TI  - Error analysis : perspectives on second language acquisition
T2  - Applied Linguistics and Language Study
SN  - 9780582550445
U1  - 421 
PY  - 1977///
CY  - London
PB  - Longman group ltd.
KW  - Language and languages -- Study and teaching
KW  - Psycholinguistics
KW  - Linguistics
ER  -