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Buku Teks
Oxenfeldt, Alfred Richard
Prentice-Hall, 1951
Buku Teks
Papandreou, Andreas G.
Prentice-Hall, 1954
Buku Teks
Walters, Stephen John Kasabuski
MacGraw-Hill, 1993
Buku Teks
Indah Pradita, author
Universitas Indonesia, 2016
UI - Skripsi (Membership)