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Cabane, O.F. 2013. The Charisma Myth: How Anyone Can Master the Art and Science of Personal Magnetism. New York: Portfolio.

Dixon, M., and B. Adamson. 2011. The Challenger Sale: Taking Control of the Customer Conversation. London, England: Portfolio.

Ferriss, T. 2007. The 4-Hour Work Week: Escape 9-5, Live Anywhere, and Join the New Rich. New York: Crown Publishers.

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