Dale carnegie

Dale Carnegie & Associates Presents Exercise Your Leadership Superpower (häftad, eng)

Dale Carnegie: How to Develop Self-Confidence and Influence People by Public Speaking

Dale Carnegie, Dale Carnegie, Dr Arthur R Pell: How To Win Friends And Influence People

Dale Carnegie Training: Leadership Mastery: How to Challenge Yourself and Others Greatness

Dale Carnegie Training: The 5 Essential People Skills: How to Assert Yourself, Listen Others, and Resolve Conflicts