TY  - BOOK
AU  - Brown,H.Douglas
TI  - Principles of language learning and teaching
SN  - 0137014910
AV  - P51 .B775 1987
U1  - 428.389 B775p 1987 
PY  - 1987///
CY  - Englewood Cliffs, N.J.
PB  - Prentice-Hall
KW  - Language and languages
KW  - Study and teaching
KW  - Language acquisition
KW  - Lenguaje y lenguas
KW  - Estudio y enseñanza
KW  - Adquisición del lenguaje
N1  - Includes index; Bibliography: p. 252-277
ER  -