Klawonn, Frank, author
Springer-Verlag, 2012
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Fakultas Ilmu Komputer Universitas Indonesia, 1998
UI - Skripsi (Membership)
Anand, Vera B., author
John Wiley & Sons, 1992
Buku Teks
Barsky, Brian A., author
Springer-Verlag, 1988
Buku Teks
Farrell, Joyce, author
Course technology Cengage Learning, 2012
Buku Teks