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Buku Teks
Macmillan, 1973
Buku Teks
Robichek, Alexander A.
Prentice-Hall, 1965
Buku Teks
Tambunan, Ferry Poltak, author
Fakultas Teknik Universitas Indonesia, 2003
UI - Tesis Membership
Chambers, Raymond J., author
Sweet & Maxwell, 1953
Buku Teks