Liebing, Ralph W.
John Wiley & Sons, 1983
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Weidhaas, Ernest R.
Allyn and Bacon, 1989
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Wakita, Osamu A.
Wiley, 2011
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Hutari Maya Rianty
Fakultas Teknik Universitas Indonesia, 2018
UI - Skripsi (Membership)
Thomas, Marvin L.
New York: McGraw-Hill, 1978
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