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Perason, 2001
Buku Teks
Hunt, Pearson, author
Richard D. Irwin, [Date of publication not identified]
Buku Teks
Eiteman, David K., author
Pearson, 2019
Buku Teks
Dauten, Carl Anton, 1913-, author
Prentice-Hall, 1956
Buku Teks
Eiteman, David K., author
Pearson Education, 2013
Buku Teks