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Macmillan, 1990
Buku Teks
Eiteman, David K., author
Pearson, 2010
Buku Teks
Eiteman, David K., author
Pearson, 2001
Buku Teks
Eiteman, David K., author
Pearson, 2019
Buku Teks
Zenoff, David B.
Prentice-Hall, 1969
Buku Teks