Hamilton, Mark
Neo-tech books, 2000
Buku Teks
Chicago Urantia Foundation 1995,
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Piegl, Les A.
Springer, 1997
Buku Teks
Knuth, Donald Ervin, 1938-
Addison-Wesley, 1986
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Pasricha, Neil
G.P. Putnam's Sons, an imprint of Penguin Random House LLC, 2016
Buku Teks