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McGraw-Hill, 1992
Buku Teks
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Continuum, 2000
Buku Teks
Bardi, James A., author
John Wiley & Sons, 2007
Buku Teks
Ario Sampurno, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2004
UI - Tesis Membership
Go, Frank M.
Routledge , 1995
Buku Teks