Challenges Quotes - Page 108
Stephen R. Covey (1994). “Daily Reflections for Highly Effective People: Living THE SEVEN HABITS OF HIGHLY SUCCESSFUL PEOPLE Every Day”, p.201, Simon and Schuster
Stephen R. Covey (2013). “The 8th Habit: From Effectiveness to Greatness”, p.21, Simon and Schuster
Stephanie Perkins (2013). “Anna and the French Kiss”, p.92, Usborne Publishing Ltd