The presentation secrets of Steve Jobs: how to be insanely great in front of any audienceCarmine GalloVyprodáno4,1Pohlídat
How to Develop Self-Confidence And Influence People by Public SpeakingDale CarnegieVyprodáno4,1Pohlídat
The Social Skills Guidebook: Manage Shyness, Improve Your Conversations, and Make Friends, Without Giving Up Who You AreMacleod DavidVyprodáno4,1Pohlídat
