TY  - BOOK
AU  - 
AU  - Long,Michael H.
TI  - An introduction to second language acquisition research
SN  - 0582553776
PY  - 1991///
CY  - New York, N.Y.
PB  - Longman
KW  - Second language acquisition
KW  - Research
N1  - Includes bibliographical references (p. [334]-393) and index; Second language acquisition research methodology--SLA : types of data analysis--Interlanguage studies : substantive findings
ER  -