Hersey, Paul, author
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Buku Teks
Ivancevich, John M., author
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Buku Teks
Northcraft, Gregory B., author
The Dryden Press , 1990
Buku Teks
Kreitner, Robert, author
McGrw-Hill , 2001
Buku Teks
Robbins, Stephen P., author
Pearson education, 2015
Buku Teks