TY  - BOOK
AU  - Brown,H.Douglas
TI  - Principles of language learning and teaching
SN  - 0131991280 (student book : alk. paper)
AV  - P51 .B775 2007
U1  - 418.007 22
PY  - 1987///
CY  - New jersey
PB  - PRENTICE HALL
KW  - Language and languages
KW  - Study and teaching
KW  - Language acquisition
ER  -