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
Detaloj pri la aŭtoro
- Naskiĝis:
- 24-a de oktobro 1932
- Mortis:
- 16-a de julio 2012
