TY  - BOOK
AU  - Ponce, Rita
AU  - Miller, Kari
AU  - Rivera, Marlene
AU  - Rosero, Irene
TI  - Our World 4 Through English: Teacher´s Book
SN  - 978-9978-311-56-1
U1  - 427.02 - Inglés medio 
PY  - 2007///
CY  - Ecuador:  
PB  - Ministerio de Educación, 
KW  - BODY
KW  - BUSINESS
KW  - TIME
KW  - TOURISM
N1  - Incluye Contents Grammar Practice; Free Time.-- The English Languaje.-- Electricity.-- The Natural World.-- Man and Women.- People and Cultures.-- English-speaking Countries.-- Taking Care of Your Body.-- Entertainment.-- Computing.- Business.-- Tourism; 2007
ER  -