Sposito, V.A.
"Ames The Iowa State University Press, 1975",
Buku Teks
Gass, Saul I.
Mc Graw Hill, 1975
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Gass, Saul I.
McGraw-Hill, 1985
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Franklin, Joel N.
Society for Industrial and Applied Mathematics, 2002
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Nesa, Wu
McGraw-Hill, 1981
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