TY  - BOOK
AU  - Brown,H.Douglas
TI  - Principles of language learning and teaching
SN  - 0137092954
U1  - 407.1 
KW  - Language and languages - Study and teaching
KW  - Language acquisition
KW  - English language - Study and teaching - Foreign speakers
KW  - Linguistics - Study and teaching
UR  - https://archive.org/details/principlesoflang00brow
ER  -