Buffa, Elwood S. (Elwood Spencer)
John Wiley & Sons, 1987
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Goetsch, David L.
Prentice-Hall, 1997
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Selvy Yanti
2000
UI - Skripsi (Membership)
Fakultas Teknik Universitas Indonesia, 2000
UI - Skripsi (Membership)
Bozarth, Cecil C.
Pearson Education , 2016
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