Randall, Clarence B.
The New American Library, 1961
Buku Teks
McFarland, Dalton E.
Collier Macmillan, 1974
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Farrah Rosalina
Fakultas Teknik Universitas Indonesia, 2016
UI - Skripsi (Membership)
Koontz, Harold
McGraw-Hill, 1984
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Harding, H. A.
Balai Aksara, 1984
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