How to argue with a cat : a human's guide to the art of persuasionJay HeinrichsAusverkauft3,4Bewachen
How to Talk to Absolutely Anyone. A Manual for Building Rapport and ConfidentMark RhodesAusverkauft3,2Bewachen
Video Public Speaking. La guida professionale per comunicare con efficacia davanti alla telecamera. Anche se odi parlare in pubblico.Chiara AlzatiAusverkauftBewachen
