Cómo defenderse de los ataques verbales4.6Author: Barbara Berckhan£11.45£105.86Add to cart3 available offers
Cómo defenderse de los ataques verbales4.6Author: Barbara Berckhan£54.46Add to cart2 available offers
El arte de hablar en público3.8Author: Barbara Berckhan, Carola Krause, Ulrike Röder£11.71£195.00Add to cart2 available offers
Die etwas intelligentere Art, sich gegen dumme Sprüche zu wehren4.1Author: Barbara Berckhan£10.07Add to cart1 available offer
Assez trimé !: Faire moins pour accomplir plus3.9Author: Barbara Berckhan£10.07Add to cart1 available offer
El arte de hablar en público4.4Author: Barbara Berckhan, Carola Krause, Ulrike Röder£11.82Add to cart1 available offer
