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Wiley Interscience, 1972
Buku Teks
Hildebrandt, Darlene Myers
Computing Information Directoy, 1995
Buku Referensi
Haggarty, Rod
Addison-Wesley, 2002
Buku Teks
Seiffertt, John
Springer International Publishing, 2017
eBooks
Kizza, Joseph Migga
Springer International Publishing, 2016
eBooks