Bhasker, J.
Prentice-Hall, 1992
Buku Teks
Petrus Mursanto, author
Fakultas Ilmu Komputer Universitas Indonesia, 2002
UI - Laporan Penelitian
LaMeres, Brock J., author
Springer Nature, 2019
eBooks
Perry, Douglas L., author
McGraw-Hill, 1991
Buku Teks
Brown, Stephen D.
McGraw-Hill , 2009
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