How to develop self-confidence and influence people by public speaking
Carnegie, Dale
How to develop self-confidence and influence people by public speaking - New York Pocket Books 1956 - vi, 244p.
9780671746070
Presentation skills
Public speaking
How to develop self-confidence and influence people by public speaking - New York Pocket Books 1956 - vi, 244p.
9780671746070
Presentation skills
Public speaking