The Millionaire Next Door Personal finance The Millionaire Next Door Thomas J. Stanley y William D. Danko ★★★½☆ 7.0/10 (4) 1996
The 7 Habits of Highly Effective People Bestseller Strategy & life The 7 Habits of Highly Effective People Stephen R. Covey ★★★★☆ 8.0/10 (7) 1989
