Dahl, O.J.
Academic Press, 1972
Buku Teks
Tremblay, Jean-Paul, 1938-
McGraw-Hill, 1980
Buku Teks
Dickinson, Brian
Yourdon Press, 1980
Buku Teks
Hughes, Joan K.
Prentice-Hall, 1977
Buku Teks
Cushing, Jim M., 1942-
Society for Industrial and Applied Mathematics, 1998
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