The 7 habits of highly effective people /

समान संसाधन

• Living the 7 habits : stories of courage and inspiration /
  द्वारा: Covey, Stephen R.
  प्रकाशित: (1999)
• The 7 habits of highly effective people /
  द्वारा: Covey, Stephen R.
  प्रकाशित: (2004)
• The 7 habits of highly effective people /
  द्वारा: Covey R. Stephen
  प्रकाशित: (1997)
• Principle-centered leadership /
  द्वारा: Covey, Stephen R.
  प्रकाशित: (1991)
• Victory! applying the proven principles of military strategy to achieve success in your business and personal life /
  द्वारा: Tracy, Brian
  प्रकाशित: (2002)