The 7 habits of highly effective people /

Míreanna comhchosúla

• The 7 habits of highly effective people /
  de réir: Covey Stephen R.
  Foilsithe / Cruthaithe: (2004)
• The 7 habits of highly effective people /
  de réir: Covey R. Stephen
  Foilsithe / Cruthaithe: (1997)
• Living the 7 habits : stories of courage and inspiration /
  de réir: Covey, Stephen R.
  Foilsithe / Cruthaithe: (1999)
• Principle centered leadership /
  de réir: Covey, Stephen R.
  Foilsithe / Cruthaithe: (1990)
• Principle centred leadership /
  de réir: Covey, Stephen R.
  Foilsithe / Cruthaithe: (1990)