Business Communication
Holt, Rinehart and Winston of Canada, Limited, 1988
Buku Teks
Treece, Malra
Communication for business and the professions
Allyn and Bacon, 1989
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Dawe, Jessamon
Functional business communication
Prentice-Hall, 1974
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Murphy, Herta A.
Effective business communications
McGraw-Hill , 1984
Buku Teks
Murphy, Herta A.
Effective business communications
McGraw-Hill, 1976
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