- Covey, Stephen R.,
Covey, Stephen R., 1932-2012 (Nombre Personal)
- Kovi, Stiven R.
Machine-derived non-Latin script reference project.
Non-Latin script references not evaluated.
His Spiritual roots of human relations, 1970.
En su obra: Spiritual roots of human relations, c1993: CIP portada (Stephen R. Covey) hoja de datos (b. 10/24/1932)
New York times WWW site, July 17, 2012: (in obituary published July 16: Stephen R. Covey; b. Stephen Richards Covey, Oct. 24, 1932, Salt Lake City; d. Monday [July 16, 2012], Idaho Falls, Idaho, aged 79; won a global following and a five-year run on best-seller lists by fusing the genres of self-help and business literature in his 1989 book The seven habits of highly effective people)
Wikipedia, June 12, 2019: (Stephen Covey; earned a Bachelor of Science degree in business administration from the University of Utah, an MBA from Harvard Business School at Harvard University, and a Doctor of Religious Education (DRE) from Brigham Young University)