TY  - BOOK
AU  - Larsen-Freeman, Diane
AU  - Long, Michael H. 
TI  - An Introduction to Second Language Acquisition Research
SN  - 0582553776
U1  - 428.7 
PY  - 1991///
CY  - Harlow ; England
PB  - Pearson
KW  - Second language acquisition
N1  - includes bibliographical references and index
ER  -