TY  - BOOK
AU  - Krashen,Stephen D.
TI  - Writing: Research, theory and applications
SN  - 0-08-031103-2
U1  - 421 
PY  - 1984///
CY  - Inglaterra
PB  - Pergamon Institute of English ( Ox
N1  - BIBLIOTECA: UACH-FFYL
ER  -