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 (duplicate)
Dettagli autore
- Nascita:
- 23 Novembre 1888
- Morte:
- 31 Ottobre 1955
Collegamenti esterni
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
