On the pulse

.

Tiberio, Silvia Carolina

. , 2015. U.I.: DGL. (M) 

What's up? : Starter. Student's book

.

Tiberio, Silvia Carolina

;

Maldonado, María Alicia

. , 2009. U.I.: DGL. ISBN: 9789871147779. (M) TEXTO NO LITERARIO

What's up? : Starter. Teacher's guide

.

Tiberio, Silvia Carolina

;

Maldonado, María Alicia

. , 2009. U.I.: DGL. ISBN: 9789871147786. (M) TEXTO NO LITERARIO

What's up? 1 : Student's book

.

Myers, Cathy

;

Jackson, Sarah

;

Tiberio, Silvia Carolina

. , 2009. U.I.: DGL. ISBN: 9789871147632. (M) TEXTO NO LITERARIO

What's up? 1 : Teacher's guide

.

Tiberio, Silvia Carolina

;

Sánchez, María José

;

Bueso, José Manuel

. , 2007. U.I.: DGL. ISBN: 9789871147663. (M) TEXTO NO LITERARIO

What's up? 2 : Student's book

.

Myers, Cathy

;

Jackson, Sarah

;

Lynam, Didi

;

Tiberio, Silvia Carolina

. , 2009. U.I.: DGL. ISBN: 9789871147700. (M) TEXTO NO LITERARIO

What's up? 2 : Teacher's guide

.

Tiberio, Silvia Carolina

;

Sánchez, María José

;

Bueso, José Manuel

. , 2008. U.I.: DGL. ISBN: 9789871147755. (M) TEXTO NO LITERARIO

What's up? 3 : Student's book

.

Myers, Cathy

;

Jackson, Sarah

;

Lynam, Didi

;

Tiberio, Silvia Carolina

. , 2008. U.I.: DGL. ISBN: 9789871147847. (M) TEXTO NO LITERARIO