Chase, Stuart
The most probable world / Stuart Chase
Harper & Row Publisher, 1968
 Buku Teks SO
Slater, Robert, 1943- author
Soros : the world's most influential investor
McGraw-Hil, 2009
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December, John
The world wide web unleashed
Sams, 1994
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Steinhoff, Dan
The world of business
McGraw-Hill, 1979
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Hall, Rodney
The most beautiful world : fictions and sermons / Rodney Hall
University of Queensland Press, 1981
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