Casti, John, author
John Wiley & Sons, 1979
Buku Teks
Antoulas, Athanasios C., author
Society for Industrial and Applied Mathematics, 2005
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Cleland, David I., author
McGraw-Hill, 1972
Buku Teks
Hare, Van Court, author
Harcourt, Brace and World, 1967
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Hawryszkiewycz, Igor Titus, author
Prentice-Hall, 1988
Buku Teks