TY  - BOOK
AU  - Brown, J.D
TI  - Understanding research n second language learning: a teacher's guide to sttstics and research design
SN  - 0521315514
AV  - DUCE P118.2.B76 
PY  - 1988///
CY  - NewYork
PB  - Cambridge University Press, 
N1  - Includes index and references
ER  -