David J. Schwartz
Книги автора: David J. Schwartz
Millions of people throughout the world have improved their lives using The Magic of Thinking Big. Dr. David J. Schwartz, long regarded as one of the foremost experts on motivation, will help you sell better, manage better, earn more money, and -- mo…
Millions of people throughout the world have improved their lives using The Magic of Thinking Big. Dr. David J. Schwartz, long regarded as one of the foremost experts on motivation, will help you sell better, manage better, earn more money, and -- mo…