Waite, W.M., author
Prentice-Hall, 1973
Buku Teks
Neufelder, Ann Marie, author
Marcel Dekker, 1993
Buku Teks
Freeman, Peter H., author
IEEE Computer Society, 1984
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Martin, Edward G., author
McGraw-Hill, 1986
Buku Teks
Shneiderman, Ben, author
Massachusetts Winthrop Publishers, 1980
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