TY  - BOOK
AU  - Brown,H.Douglas
TI  - Principles of language learning and teaching
SN  - 0-13-701491-0
U1  - 418.007 
PY  - 1987///
CY  - E.U.A.
PB  - Prentice-Hall
N1  - BIBLIOTECA: UACH-FFYL
ER  -