TY  - BOOK
AU  - 
TI  - Language teaching / Geoffrey Leech ; Andrew Beale
U1  - 428 
PY  - 1984///
CY  - Londres: 
PB  - Cambridge University Press, 
KW  - IDIOMA INGLÉS
N1  - 1. State of the Art.-- 2. Language Learning and teaching- theory and practice.-- 3. Teaching particular languages.-- 4. Research in the supporting sciences.-- 5. Language description and use
ER  -