Cambridge grammar for PET with answers / Louise Hashemi and Barbara Thomas

.

Hashemi, Louise

;

Thomas, Barbara

. , c2006. U.I.: Quilmes Prep School. ISBN: 9780521601207. (M) 

Cambridge objective for PET : studentïs book without answers / Louise Hashemi and Barbara Thomas

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Hashemi, Louise

;

Thomas, Barbara

. , c2010. U.I.: Quilmes Prep School. ISBN: 9780521168274. (M) 

Cambridge objective for PET : teacherïs book / Louise Hashemi and Barbara Thomas

.

Hashemi, Louise

;

Thomas, Barbara

. , c2010. U.I.: Quilmes Prep School. ISBN: 9780521732697. (M) 

Grammar and vocabulary for First: and First for schools ; with answers / Barbara Thomas, Louise Hashemi and Laura Matthews

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Thomas, Barbara

;

Hashemi, Louise

;

Matthews, Laura

. , 2018. U.I.: Quilmes College. ISBN: 9781107481060. (M) Libro impreso