TY  - BOOK
AU  - Liz & John Soars
TI  - Headway: students`s book elementary
SN  - 9780194335553
U1  - 420.1 
PY  - 1988///
CY  - New York (Estados Unidos)
PB  - Cambridge University Press
KW  - INGLES COMERCIAL
KW  - INGLES
N1  - Incluye figuras; Present simple 1.-- Present simple 2.-- Past simple.-- Could You.-- Will.-- What´s ...like.-- Present perfect simple.-- Must/mustn¨t/have to should/shouldn´t.-- First conditional
ER  -