Dale Harbison Carnegie was an American writer and lecturer and the developer of famous courses in self-improvement, salesmanship, corporate training, public speaking, and interpersonal skills. Source: wikipedia
Dale Carnegie
Informacija apie autorių
- Gimęs:
- 1888 m. lapkričio 24 d.
- Mirė:
- 1955 m. lapkričio 1 d.
