Goleman, Daniel
Harvard business review on breakthrough leadership
Harvard Business School Press, 2001
Buku Teks
Harvard business review on leadership at the top
Harvard Business School, 2003
Buku Teks
Kalashnikov, Mikhail
The gun that changed the world
Polity Press, 2007
Buku Teks
Castleden, Rodney
Inventions that changed the world
Chartwell Books, 2007
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Graf, Bernhard
Bridges that changed the world
Prentel, 2002
Buku Teks