Chin, Yee Wah, author
Pearson Prentice Hall, 2004
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Harrington, Scott E., author
McGraw-Hill, 2004
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Harrington, Scott E., author
McGraw-Hill, 2003
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Khansa Arifa, author
Fakultas Ekonomi dan Bisnis Universitas Indonesia, 2015
UI - Skripsi (Membership)
Jeynes, Jacqueline, author
Butterworth-Heinemann, 2002
Buku Teks