Seven basic habits of highly effective people.

Sonraí bibleagrafaíochta
Údar corparáideach:	Steven R. Covey & Associates
Formáid:	LEABHAR
Teanga:	English
Foilsithe / Cruthaithe:	[Salt Lake City, UT] Stephen R. Covey & Associates ©1988.
Ábhair:	Success > Psychological aspects. Success. Self-actualization (Psychology)