TY  - BOOK
AU  - Richards,Jack C.
AU  - Lesley,Tay
TI  - New interchange: english for international communication. Intro teacher's edition 
U1  - 421.5 R516ite 2003 
PY  - 2003///
CY  - Cambridge
PB  - Cambridge University, 
KW  - INGLES
KW  - TEXTO DE ESTUDIO
N1  - INGENIERIA COMPUTACION-BASICA
ER  -