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Autor Carrillo Vivar, Ritha Catalina |
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Carrillo Vivar, Ritha Catalina ; Contreras Parra, Juan Pablo | 2013-06-07T15:14:34ZWe as teachers of the sixth level in the London English Institute have realized the need to provide a supplementary material which could improve the students knowledge in the writing skill, since the book, Postcards 3B, they use has no a proper[...]