7 steps to fearless speakingde Lilyan Wilder · Publicada por primera vez en 1999MateriasPublic speakingArt de parler en publicCommunication oraleCommunication dans les organisationsOral communicationBusiness communicationLANGUAGE ARTS & DISCIPLINESPublic SpeakingEdiciones (2)7 Steps to Fearless Speaking (2008)