Stephen Richards Covey was the author of the non-fiction books including the best-seller, "The Seven Habits of Highly Effective People". He was also a professor at the Jon M. Huntsman School of Business at Utah State University.
Stephen R. Covey
Dettagli autore
- Nascita:
- 24 Ottobre 1932
- Morte:
- 16 Luglio 2012
