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)
Información sobre le autore
- Fecha de nacimiento:
- 23 de noviembre de 1888
- Fecha de defunción:
- 31 de octubre de 1955
Enlaces externos
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
