Ludlum, Robert
The Road to Omaha / Robert Ludlum
Grafton, 1991
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Ludlum, Robert
The Chancellor manuscript / Robert Ludlum
Bantam Books, 1986
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Ludlum, Robert
The bourne ultimatum = Ultimatum Bourne / Robert Ludlum
Gramedia Pustaka Utama, 2007
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Radcliffe, Robert C.
Investment : concepts, analysis, strategy / Robert C. Radcliffe
Addison-Wesley, 1997
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Kaplan, Robert S.
Strategy maps: converting intangible assets into tangible outcomes / Robert S. Kaplan
Harvard Business School Press, 2004
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