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Pitman, 1992
Buku Teks
Hille, R.F., author
Prentice-Hall, 1988
Buku Teks
Natalia Komalasari, author
2015
UI - Tesis (Membership)
Zimmer, J. A., author
McGraw-Hill, 1985
Buku Teks
Headington, Mark R., author
Jones and Bartlett Publisher, 1997
Buku Teks