Dingyu, Xue, author
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Buku Teks
Engelhard, George, author
Sage, 2021
Buku Teks
Pearl, Judea, author
Addison-Wesley Publishing Comp., 1984
Buku Teks
edited by Bruce G. Buchanan and Edward H. Shortliffe
Addison-Wesley, 1984
Buku Teks
Maurer, H.A., author
Prentice-Hall, 1972
Buku Teks