Christie, Agatha, 1890-1976, author
Gramedia Pustaka Utama, 2019
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Lipsey, Richard G., 1928-, author
Harper Collin, 1996
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Adreson, W. H. Locke, author
Prentice Hall of India, 1986
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Samuelson, Paul A. (Paul Anthony), 1915-2009, author
McGraw-Hill, 1992
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