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Sudargo Gautama
Indonesia business law
FT Law & Tax Asia Pacific, 1997
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Marsh, S.B.
Business law
McGraw-Hill, 1975
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Woon, Walter C.M.
Basic business law in Singapore
Prentice-Hall, 2000
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Hotchkiss, Carolyn
International law for business
McGraw-Hill, 1994
Buku Teks