Covey, Stephen R.
The 7 habits of highly effective people / : powerful lessons in personal change / Stephen R. Covey. - New York : Simon & Schuster, c2004. - 391p. ; 21cm.
Includes index.
9781457639612
Success--psychological aspects
Character
The 7 habits of highly effective people / : powerful lessons in personal change / Stephen R. Covey. - New York : Simon & Schuster, c2004. - 391p. ; 21cm.
Includes index.
9781457639612
Success--psychological aspects
Character